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/GuezMinelayerProcessing/initialization.h

@@ -6,7 +6,9 @@
   */
 #pragma once
 
+#if BUILD_RTI
 #include <DDS/DDSConnector/dds_connector.h>
+#endif
 #include <ngldb/db_service_handler.h>
 #include "svcgmpserver_export.h"
 #include "logger.h"
@@ -14,7 +16,9 @@
 namespace GuezMinelayerProcessing
 {
 class DdsHandler;
+#if BUILD_RTI
 class HandlerMinelayerData;
+#endif
 
 class GMP_SERVER_EXPORT Initialization final
 {
@@ -22,12 +26,18 @@ public:
   Initialization();
   ~Initialization();
 
-  bool initialize(const std::shared_ptr<DDSConnector::DdsConnector> &ddsConnector);
+  bool initialize(
+#if BUILD_RTI
+    const std::shared_ptr<DDSConnector::DdsConnector> &ddsConnector
+#endif
+  );
   bool loadFromDatabase();
 
 private:
   NGL::INGLLogger &m_logger;
   std::shared_ptr<DdsHandler>           m_ddsHandler;
+#if BUILD_RTI
   std::shared_ptr<HandlerMinelayerData> m_handlerMinelayerData;
+#endif
 };
 } // namespace GuezMinelayerProcessing