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/Plugins/ProjectDataManagement/pdm_data_plugin_interface.h

@@ -1,29 +1,22 @@
 
 
-
 #pragma once
 
-#include <memory>
+#include <ProjectDataManagement/pdm_dtc.h>
+#include <ProjectDataManagement/pdm_ftc.h>
+#include <PluginInterfaces/data_plugin_interface.h>
 
-// Forward declarations for external DDS types
 namespace ProjectDataManagement
 {
-namespace Interface
-{
-  class Dtc;
-  class Ftc;
-}
-}
-
 class ForeignDataInterface;
 
-class DataInterface //: public DataPluginBase::Interface
+class DataInterface : public DataPluginBase::Interface
 {
 public:
-  //using DataPluginBase::Interface::Interface;
+  using DataPluginBase::Interface::Interface;
 
   virtual std::shared_ptr<ProjectDataManagement::Interface::Dtc> getDtc() = 0;
   virtual std::shared_ptr<ProjectDataManagement::Interface::Ftc> getFtc() = 0;
 
 };
-} 
+}