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/Common/PluginInterfaces/gui_plugin_interface.h

@@ -132,12 +132,12 @@ class Interface
 
   protected:
     LtsSession::LtsSession* m_session;
+    NGL::INGLLogger& m_logger;
 
   private:
     QFlags<LtsAppDescriptor::PluginInfo::Flag> m_flags;
     QStringList m_options;
     LtsAppDescriptor::App m_appId;
-    NGL::INGLLogger& m_logger;
 };
 
 } // namespace GuiPluginBase