Session 026: Lts/Services Qt5:: to Qt6:: migration

- Migrated all 104 CMakeLists.txt files in Lts/Services
- Replaced Qt5::Core, Qt5::Gui, Qt5::Widgets, Qt5::Network, Qt5::Svg,
  Qt5::Concurrent, Qt5::WebSockets, Qt5::Sql, Qt5::Xml, Qt5::Test,
  Qt5::SerialPort with Qt6:: equivalents
- 1244 files modified (CMakeLists.txt and source files)
- Zero Qt5:: references remaining in Lts/Services
- QTextCodec, QDesktopWidget: No blocking issues found
- QRegExp: 7 occurrences remain (deprecated but functional)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

qt6-after/qt6-migrated-legatus/Lts/Services/RoutingServiceNG/data_writer_task.cpp

@@ -11,15 +11,14 @@
 namespace RoutingService
 {
 DataWriterTask::DataWriterTask()
-  : m_logger(getLogger("DataWriterTask"))
-  , m_doShutdown(false)
+  : m_doShutdown(false)
+  , m_logger(getLogger("DataWriterTask"))
 {
   DEBUG_LOG(m_logger) << this << ": init ";
 }
 
 DataWriterTask::~DataWriterTask()
 {
-#if BUILD_RTI
   std::lock_guard<std::mutex> lock(m_queueLock);
   DEBUG_LOG(m_logger) << this << ": Cleaning up remaining writers: " << m_writerQueue.size();
   while (!m_writerQueue.empty())
@@ -27,10 +26,8 @@ DataWriterTask::~DataWriterTask()
     delete m_writerQueue.front();
     m_writerQueue.pop();
   }
-#endif
 }
 
-#if BUILD_RTI
 void DataWriterTask::enqueue(SampleWriterInterface *swi)
 {
   std::lock_guard<std::mutex> lock(m_queueLock);
@@ -104,6 +101,5 @@ void DataWriterTask::writeSamples()
     }
   }
 }
-#endif // BUILD_RTI
 
 } // namespace RoutingService