Qt6 migration fixes: RTI DDS alias targets, ErrorMessage namespace, DDS header include path

qt6-after/qt6-migrated-legatus/Lts/Services/CentralEffectSimulation/Plugins/Basic/plugin.h

@@ -16,7 +16,7 @@
 #include <CentralEffectSimulation/main_handler.h>
 #include <CentralEffectSimulation/dds_handler.h>
 
-#include <QObject>
+#include <QtCore/QObject>
 
 
 //namespace NGLDB
@@ -31,8 +31,7 @@ namespace CentralEffectSimulationBasic
 class CentralEffectSimulationBasicPlugin : public QObject, public CentralEffectSimulation::Plugin::Plugin
 {
   Q_OBJECT
-  Q_PLUGIN_METADATA(IID "special:3:ces.CentralEffectSimulationBasicPlugin")
-  Q_INTERFACES(CentralEffectSimulation::Plugin::Plugin)
+  Q_PLUGIN_METADATA(IID "special:3:ces")
 
 public:
   CentralEffectSimulationBasicPlugin() = default;