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/AreaEffectSimulation/handler_explosion_single.cpp

@@ -6,7 +6,6 @@
   */
 
 #include "handler_explosion_single.h"
-#include <utility>
 #include "main_handler.h"
 #include <Services/AreaEffectSimulation/Utils/polygons.h>
 
@@ -31,7 +30,7 @@ bool HandlerExplosionSingle::init()
       return true;
     }
   // create indirect fire single objects
-  for (const Database::AesExplosionSingle &dbData : std::as_const(dataVec))
+  for (const Database::AesExplosionSingle &dbData : qAsConst(dataVec))
     {
       ObjectExplosionSingle *ifs(new ObjectExplosionSingle(m_mainHandler, this));
       connect(ifs, &ObjectExplosionSingle::effectStateChanged, this, &HandlerExplosionSingle::onEffectStateChanged);