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/AudioVideoManagement/ModuleTests/mvs_tests.cpp

@@ -11,8 +11,8 @@
 
 #include <nglapplication/nglcoreapplication.h>
 #include <LtsCommandLineParser/LtsCommandLineParser.h>
-#include <QtCore/QTimer>
-#include <QtTest/QTest>
+#include <QTimer>
+#include <QTest>
 
 #include <AudioVideoManagement/avm_ftc.h>
 
@@ -27,6 +27,7 @@ MvsTests::MvsTests(QObject *parent)
   , m_radioStationId(200)
   , m_exerciseId(0)
   , m_bTestsSuccessful(true)
+  , m_logger(getLogger("Test"))
 {
   qRegisterMetaType<Core::FunctionReply>("Core::FunctionReply");
 }