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/AlarmManagement/handler_configure_alarms.cpp

@@ -252,7 +252,7 @@ void HandlerConfigureAlarms::onEventChanged(const ExerciseEventManagement::Event
       /*DEBUG_LOG(m_logger) << " alarmConfigItem.id=" << alarm.id
                           << " alarmConfigItem.participantId=" << alarm.participantId
                           << " alarmConfigItem.eventTypeId=" << alarm.eventTypeId
-                          << " eventDatalocal.eventTypeId()=" << eventDatalocal.eventTypeId().underlying()
+                          << " eventDatalocal.eventTypeId()=" << eventDatalocal.eventTypeId()
                           << " alarm.operatorId=" << alarm.operatorId
                           << " friendyFire =" << friendlyFireBool;*/