An exception occurs after refreshing the page when the `My tasks` view is opened in a tabbed-mode project

### Environment

Jmix version: 2.8.0-RC1
Jmix Studio Plugin Version: 2.8.SNAPSHOT8182-253
IntelliJ version: IntelliJ IDEA 2025.3.3

### Bug Description

An exception occurs after refreshing the page when the `My tasks` view is opened in a tabbed-mode project

<details> <summary>Stacktrace </summary>

````
java.lang.NullPointerException: Cannot invoke "com.vaadin.flow.server.VaadinSession.checkHasLock()" because "this.this$0.session" is null
	at com.vaadin.flow.component.internal.UIInternals$PendingJavaScriptInvocationDetachListener.removePendingInvocation(UIInternals.java:687)
	at com.vaadin.flow.component.internal.UIInternals$PendingJavaScriptInvocationDetachListener.onInvocationCompleted(UIInternals.java:697)
	at com.vaadin.flow.component.internal.UIInternals.lambda$registerDetachListenerForPendingInvocation$b12ef46$1(UIInternals.java:665)
	at com.vaadin.flow.component.internal.PendingJavaScriptInvocation.cancelExecution(PendingJavaScriptInvocation.java:126)
	at com.vaadin.flow.component.grid.Grid.updateClientSideSorterIndicators(Grid.java:4168)
	at com.vaadin.flow.component.grid.Grid.onAttach(Grid.java:4088)
	at com.vaadin.flow.component.ComponentUtil.onComponentAttach(ComponentUtil.java:290)
	at com.vaadin.flow.internal.nodefeature.ComponentMapping.lambda$onAttach$0(ComponentMapping.java:104)
	at java.base/java.util.Optional.ifPresent(Optional.java:178)
	at com.vaadin.flow.internal.nodefeature.ComponentMapping.onAttach(ComponentMapping.java:103)
	at com.vaadin.flow.internal.StateNode.lambda$fireAttachListeners$9(StateNode.java:934)
	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
	at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179)
	at java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:992)
	at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509)
	at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499)
	at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
	at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
	at com.vaadin.flow.internal.StateNode.forEachFeature(StateNode.java:377)
	at com.vaadin.flow.internal.StateNode.fireAttachListeners(StateNode.java:934)
	at com.vaadin.flow.internal.StateNode.onAttach(StateNode.java:335)
	at com.vaadin.flow.internal.StateNode.setParent(StateNode.java:287)
	at com.vaadin.flow.internal.nodefeature.NodeFeature.attachPotentialChild(NodeFeature.java:80)
	at com.vaadin.flow.internal.nodefeature.StateNodeNodeList.add(StateNodeNodeList.java:55)
	at com.vaadin.flow.internal.nodefeature.ElementChildrenList.add(ElementChildrenList.java:44)
	at com.vaadin.flow.dom.impl.AbstractNodeStateProvider.insertChild(AbstractNodeStateProvider.java:107)
	at com.vaadin.flow.dom.Node.insertChild(Node.java:391)
	at com.vaadin.flow.dom.Node.appendChild(Node.java:163)
	at com.vaadin.flow.dom.Node.appendChild(Node.java:147)
	at com.vaadin.flow.component.internal.UIInternalUpdater.updateRoot(UIInternalUpdater.java:71)
	at io.jmix.tabbedmode.JmixUI.setTopLevelView(JmixUI.java:764)
	at io.jmix.tabbedmode.JmixUI.movePreservedViewCache(JmixUI.java:601)
	at io.jmix.tabbedmode.JmixUI.handlePageLoad(JmixUI.java:578)
	at io.jmix.tabbedmode.JmixUI.handleNavigation(JmixUI.java:555)
	at io.jmix.tabbedmode.JmixUI.lambda$handlePageLoad$0(JmixUI.java:584)
	at io.jmix.tabbedmode.JmixUI.lambda$obtainJmixUiId$46dec084$1(JmixUI.java:678)
	at com.vaadin.flow.component.page.PendingJavaScriptResult.lambda$then$3fde283c$1(PendingJavaScriptResult.java:113)
	at com.vaadin.flow.component.internal.PendingJavaScriptInvocation.complete(PendingJavaScriptInvocation.java:96)
	at com.vaadin.flow.server.communication.UidlWriter.lambda$createReturnValueChannel$d9004ac5$1(UidlWriter.java:330)
	at com.vaadin.flow.internal.nodefeature.ReturnChannelMap.lambda$registerChannel$2a20409b$1(ReturnChannelMap.java:124)
	at com.vaadin.flow.internal.nodefeature.ReturnChannelMap$ChannelImpl.invoke(ReturnChannelMap.java:74)
	at com.vaadin.flow.server.communication.ReturnChannelHandler.handleNode(ReturnChannelHandler.java:78)
	at com.vaadin.flow.server.communication.rpc.AbstractRpcInvocationHandler.handle(AbstractRpcInvocationHandler.java:79)
	at com.vaadin.flow.server.communication.ServerRpcHandler.handleInvocationData(ServerRpcHandler.java:568)
	at com.vaadin.flow.server.communication.ServerRpcHandler.lambda$handleInvocations$6(ServerRpcHandler.java:549)
	at java.base/java.util.ArrayList.forEach(ArrayList.java:1511)
	at com.vaadin.flow.server.communication.ServerRpcHandler.handleInvocations(ServerRpcHandler.java:549)
	at com.vaadin.flow.server.communication.ServerRpcHandler.handleRpc(ServerRpcHandler.java:376)
	at com.vaadin.flow.server.communication.UidlRequestHandler.synchronizedHandleRequest(UidlRequestHandler.java:136)
	at com.vaadin.flow.server.SynchronizedRequestHandler.handleRequest(SynchronizedRequestHandler.java:63)
	at com.vaadin.flow.server.VaadinService.handleRequest(VaadinService.java:1879)
	at com.vaadin.flow.server.VaadinServlet.service(VaadinServlet.java:398)
	at com.vaadin.flow.spring.SpringServlet.service(SpringServlet.java:106)
	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:614)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:610)
	at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:392)
	at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:321)
	at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:266)
	at org.springframework.web.servlet.mvc.ServletForwardingController.handleRequestInternal(ServletForwardingController.java:142)
	at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:178)
	at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:51)
	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1089)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014)
	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:914)
	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:547)
	at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)
	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:614)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at io.jmix.core.impl.logging.LogMdcFilter.doFilterInternal(LogMdcFilter.java:28)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:108)
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:108)
	at org.springframework.security.web.FilterChainProxy.lambda$doFilterInternal$3(FilterChainProxy.java:231)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:365)
	at org.springframework.security.web.access.intercept.AuthorizationFilter.doFilter(AuthorizationFilter.java:101)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:125)
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:131)
	at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:85)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:100)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:114)
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:105)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:179)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:151)
	at org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:129)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:235)
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:229)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:107)
	at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:93)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.csrf.CsrfFilter.doFilterInternal(CsrfFilter.java:117)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:91)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.header.HeaderWriterFilter.doHeadersAfter(HeaderWriterFilter.java:90)
	at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:75)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.context.SecurityContextHolderFilter.doFilter(SecurityContextHolderFilter.java:82)
	at org.springframework.security.web.context.SecurityContextHolderFilter.doFilter(SecurityContextHolderFilter.java:69)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:62)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.session.DisableEncodeUrlFilter.doFilterInternal(DisableEncodeUrlFilter.java:42)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
	at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:233)
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:191)
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:113)
	at org.springframework.web.filter.ServletRequestPathFilter.doFilter(ServletRequestPathFilter.java:52)
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:113)
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:74)
	at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$CompositeFilterChainProxy.doFilter(WebSecurityConfiguration.java:319)
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:113)
	at org.springframework.web.servlet.handler.HandlerMappingIntrospector.lambda$createCacheFilter$4(HandlerMappingIntrospector.java:267)
	at org.springframework.web.filter.CompositeFilter$VirtualFilterChain.doFilter(CompositeFilter.java:113)
	at org.springframework.web.filter.CompositeFilter.doFilter(CompositeFilter.java:74)
	at org.springframework.security.config.annotation.web.configuration.WebMvcSecurityConfiguration$CompositeFilterChainProxy.doFilter(WebMvcSecurityConfiguration.java:240)
	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:165)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:88)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:492)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:113)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:83)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:72)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:903)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1775)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:973)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:491)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
	at java.base/java.lang.Thread.run(Thread.java:840)

````

</details>

### Steps To Reproduce

1.Launch tabbed-mode project with BPM addon
2.Open some views
3.Open `My tasks` view
4.Navigate to any view and refresh page twice

### Current Behavior

Exception after refresh page

### Expected Behavior

No issues

### Sample Project

https://github.com/user-attachments/assets/5a788d15-05b9-4ac7-bde5-bbafec1d1517


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An exception occurs after refreshing the page when the `My tasks` view is opened in a tabbed-mode project #5155

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An exception occurs after refreshing the page when the My tasks view is opened in a tabbed-mode project #5155

Description

Environment

Bug Description

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Expected Behavior

Sample Project

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An exception occurs after refreshing the page when the `My tasks` view is opened in a tabbed-mode project #5155