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/EffectShowClient/connection_handler_serial.cpp

@@ -21,7 +21,7 @@ ConnectionHandlerSerial::ConnectionHandlerSerial(QObject *parent) : QObject(pare
   , m_currentDataRead(QByteArray())
   , m_portName(QStringLiteral("COM5"))
   , m_readBuffer(new QByteArray()),
-    m_logger(NGL::NGLLoggerBootstrap::getLogger()) {
+    m_logger(NGL::NGLLoggerBootstrap::getNGLRootLogger()) {
   m_receiveTimeoutTimer->setInterval(1700);
   connect(m_spQuerry, &LtsSerialPortQuerry::LtsSerialPortQuerry::connectionEstablished, this, &ConnectionHandlerSerial::open);
   m_spQuerry->restartQuerry();