fix: 잘못된 app 노출 수정

Author: MU-Software

app/admin_api/serializers/modification_audit.py

@@ -21,12 +21,15 @@ class Meta:
 
     class ModificationAuditResponseInstanceAdminSerializer(serializers.Serializer):
         model = serializers.CharField(source="instance_type.model")
-        app = serializers.CharField(source="instance_type.app_label")
+        app = serializers.SerializerMethodField(read_only=True)
         id = serializers.CharField(source="instance_id")
 
         class Meta:
             fields = read_only_fields = ("model", "app", "id")
 
+        def get_app(self, obj: ModificationAudit) -> str:
+            return type(obj.instance).__module__.split(".")[0]
+
     comments = ModificationAuditCommentAdminSerializer(many=True, read_only=True)
     str_repr = serializers.CharField(source="__str__", read_only=True)
     instance = ModificationAuditResponseInstanceAdminSerializer(source="*", read_only=True)