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/ServiceManagement/service_handler.h

@@ -8,8 +8,8 @@
 
 #pragma once
 
-#include <QtCore/QSet>
-#include <QtCore/QVector>
+#include <QSet>
+#include <QVector>
 
 #include "logger.h"
 #include "service_donator.h"
@@ -52,8 +52,6 @@ private Q_SLOTS:
   void onHeartBeatObserverTimerTimeout();
 
 private: // methods
-
-NGL::INGLLogger &m_logger;
   Service *serviceFromId(int id);
   ServiceProcess *serviceProcessFromPid(qint64 pid);
   ServiceProcess *serviceProcessFromServiceProcId(int32_t id);
@@ -66,5 +64,7 @@ private: // attributes
 
   int HEARTBEAT_OBSERVER_INTERVAL = 10000;
   QSet<qint64> m_unknownPidsWarned;
+
+  LOGGER_T m_logger;
 };
 } // namespace ServiceManagement