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/OcBaseDownload/handler_base_download.cpp

@@ -23,7 +23,7 @@
 #include <ParticipantManagement/ppm_translation.h>
 
 #include <ngltools/ngltools_filesystem.h>
-#include <Core/pacemaker.h>
+#include <DDS/Core/pacemaker.h>
 #include <QUuid>
 #include <QDateTime>
 #include "copy_database.h"