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/Viewer/LtsFileDialog/lts_dialog_model_folder.h

@@ -78,5 +78,5 @@ protected:
 } // namespace
 
 // -------------------------------------------------------------------------------------
-Q_DECLARE_METATYPE(FileManagement::Folder)
+#include <FileManagement/flm_qmetatypes.h>
 

qt6-after/qt6-migrated-legatus/Lts/Viewer/LtsFileDialog/lts_file_dialog.h

@@ -9,7 +9,7 @@
 
 #pragma once
 
-#include <FileManagement/flm_data_plugin_interface.h>
+#include <Plugins/FileManagement/flm_data_plugin_interface.h>
 #include <OperatorManagement/opm_dtc.h>
 #include <ExerciseManagement/exm_dtc.h>
 

qt6-after/qt6-migrated-legatus/Lts/Viewer/LtsFileDialog/lts_file_dialog_widget.h

@@ -13,7 +13,7 @@
 #include "lts_file_dialog.h"
 
 #include <LtsFileDialog/ltsfiledialog_export.h>
-#include <FileManagement/flm_data_plugin_interface.h>
+#include <Plugins/FileManagement/flm_data_plugin_interface.h>
 #include <FileManagement/flm_dtc.h>
 #include <OperatorManagement/opm_data_plugin_interface.h>
 #include <ExerciseManagement/exm_data_plugin_interface.h>