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/Common/LtsUtils/LtsUtilsCore/CMakeLists.txt

@@ -15,12 +15,13 @@ SET(SRCS_hdr_only
   ${CMAKE_CURRENT_SOURCE_DIR}/qbytearray_byteaccess.h
   ${CMAKE_CURRENT_SOURCE_DIR}/qpoint3d.h
   ${CMAKE_CURRENT_SOURCE_DIR}/await.h
+  ${CMAKE_CURRENT_SOURCE_DIR}/lts_translatable_identifier.h
 )
 ADD_LIBRARY(LtsUtilsCoreHeaderOnly INTERFACE)
 TARGET_INCLUDE_DIRECTORIES(LtsUtilsCoreHeaderOnly
   INTERFACE
-    ${CMAKE_CURRENT_SOURCE_DIR}/../..
-    ${CMAKE_CURRENT_BINARY_DIR}/../..
+    ${CMAKE_CURRENT_SOURCE_DIR}/..
+    ${CMAKE_CURRENT_BINARY_DIR}/..
 )
 TARGET_SOURCES(LtsUtilsCoreHeaderOnly INTERFACE ${SRCS_hdr_only})