Complete Qt6 migration: full clean build green across groups G1-G12 incl. runtime plugin set

new_docker_build.sh gains Group 12 (212 GUI/Data plugins); fixes LtsUtilsGuiDds visibility (LTO-stripped exports), LtsProjectionWorkstation unity name shadow, 6 unity-off dirs (dup file-scope statics, ddsftc INTERFACE sources) and reconfigures BUILD_FILTERMANAGEMENT/BUILD_PLUGINS_SERVICEMONITOR=ON

qt6-after/qt6-migrated-legatus/Lts/Services/AreaEffectSimulation/ModuleTests/aes_test_base.cpp

@@ -22,7 +22,7 @@ TestBase::TestBase(const char *loggerName, QObject *parent)
   , m_replyError(false)
   , m_bTestsSuccessful(true)
   , m_testId(0)
-  , m_aesTypeName(QString::fromLatin1(loggerName).split(QLatin1Char('.')).last().toString())
+  , m_aesTypeName(QString::fromLatin1(loggerName).split(QLatin1Char('.')).last())
   , m_logger(getLogger(loggerName))
 {}