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/ExerciseEventManagement/main_handler.cpp

@@ -24,12 +24,14 @@
 namespace ExerciseEventManagement
 {
 
-MainHandler::MainHandler() : m_almService(nullptr)
+MainHandler::MainHandler()
+  : m_almService(nullptr)
   , m_fltService(nullptr)
   , m_mrkService(nullptr)
   , m_evlService(nullptr)
-  , m_removeTimer(new QTimer(this)),
-    m_logger(NGL::NGLLoggerBootstrap::getNGLRootLogger()) {
+  , m_removeTimer(new QTimer(this))
+  , m_logger(getLogger("MainHandler"))
+{
   connect(m_removeTimer, &QTimer::timeout, this, &MainHandler::onRemoveKeys);
   m_removeTimer->setInterval(5000);
   m_removeTimer->setSingleShot(false);