Qt6 Migration: BUILD_RTI guards und CMake fixes

- BUILD_RTI conditional compilation für RTI Connext DDS dependencies
- Namespace fixes in core_dtc.h (Core:: → DDS::Core::)
- CMakeLists.txt: BUILD_RTI option und conditional dependencies
- Handler minelayer: namespace closing mit BUILD_RTI guard
- Build erfolgreich mit BUILD_RTI=OFF validiert

Signed-off-by: Torsten Wierschin <torsten.wierschin@life-maps.com>

qt6-after/qt6-migrated-legatus/Lts/Services/VideoOverlayManagement/handler_infrastructure_data.cpp

@@ -7,6 +7,8 @@
   */
 
 #include "handler_infrastructure_data.h"
+
+#if BUILD_RTI
 #include "settings.h"
 
 #include <QVector>
@@ -16,7 +18,7 @@ using namespace VideoOverlayManagement;
 HandlerInfrastructureData::HandlerInfrastructureData(const std::shared_ptr<DdsHandler> &ddsHandler, QObject *parent) : QObject(parent)
   , m_ddsHandler(ddsHandler)
   , m_exerciseId(0),
-    m_logger(NGL::NGLLoggerBootstrap::getLogger()) {
+    m_logger(NGL::NGLLoggerBootstrap::getNGLRootLogger()) {
 } // end of ctor()
 //-----------------------------------------------------------------------------
 
@@ -158,3 +160,5 @@ int HandlerInfrastructureData::getRoomIdFromAssetId(int assetId) const
   return m_assetId2RoomIdMap.value(assetId, -1);
 } // end of getRoomIdFromAssetId()
 //-----------------------------------------------------------------------------
+
+#endif // BUILD_RTI