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/UnitTests/gmp_minefieldInterpreter_test.cpp

@@ -38,13 +38,14 @@ int main(int argc, char *argv[])
 }
 
 //-------------------------------------------------------------------------------------------------------
-GmpMinefieldInterpreterTestsMain::GmpMinefieldInterpreterTestsMain() : m_minefieldInterpreter(nullptr)
+GmpMinefieldInterpreterTestsMain::GmpMinefieldInterpreterTestsMain()
+  : m_logger(NGL::NGLLoggerBootstrap::getNGLRootLogger())
+  , m_minefieldInterpreter(nullptr)
   , m_receivedMinefield()
   , m_receivedVeType(0)
   , m_minefieldInterpreterTimer(nullptr)
   , m_minefieldSpy(nullptr)
-  .getNGLLogger("Tests.GmpMinefieldInterpreterTest")),
-    m_logger(NGL::NGLLoggerBootstrap::getLogger()) {
+{
 }
 
 //-------------------------------------------------------------------------------------------------------