[WIP] Replace current user super user checks with action policies

[Copilot]

Replace super_user checks with action policies

This PR replaces all direct current_user&.super_user? checks with appropriate action policy calls.

Changes Plan:

• Understand current codebase structure and policy framework
• Create/update admin-related policy methods where needed
  • Updated ReportPolicy to include organization membership check with nil safety
  • Updated EventPolicy to include owner check for edit
  • Updated OrganizationPolicy to properly scope active organizations for admins
• Replace current_user&.super_user? in controllers with policy-based authorization
  • EventsController: Removed redundant check (using policy's edit? method)
  • MonthlyReportsController: Removed redundant check, fixed error message
  • PeopleController: Use authorized_scope for Organization
  • QuotesController: Use authorized_scope for Workshop
  • WorkshopLogsController: Use authorized_scope for User and Workshop
• Replace user&.super_user? in services with appropriate policy checks
  • WorkshopSearchService: Removed unused admin flag (authorization is handled by controller)
• Replace current_user&.super_user? in views with allowed_to? helper calls
  • Created current_user_admin? helper for general admin checks in views
  • Replaced 110+ occurrences with appropriate policy calls or helper
  • Fixed syntax errors from automated replacement
  • Kept legitimate uses of super_user attribute (form inputs, data display)
• Run tests to ensure no functionality is broken
• Code review and security scan

Original prompt

replace all current_user&.super_user? (or current_user.super_user or user.super_user) with calls to relevant action policies

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