Qt6 Migration: Merge latest Qt5 devel content and apply migration fixes

- Merged 292 changed files from dlbo snapshot
- Fixed IDL enum collisions (PortType, PdmEventType)
- Fixed Grantlee template for C++11 scoped enums
- Fixed CMake VERSION_GREATER syntax
- Added missing directories (THP, LtsRestClient, etc.)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Lts/Services/AreaEffectSimulation/EffectorFiringStrategy/default_firing_strategy.h

@@ -22,7 +22,7 @@ public:
   explicit DefaultFiringStrategy(ObjectEffector *effector);
   virtual ~DefaultFiringStrategy();
 
-  void doFiring() override;
+  bool doFiring() override;
 
 }; // class DefaultFiringStrategy
 } // namespace AreaEffectSimulation