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

qt6-after/qt6-migrated-legatus/include/ProjectDataManagement/pdm_enums.hpp

@@ -5,8 +5,8 @@
 
 #pragma once
 
-#include <QMap>
-#include <QString>
+#include <QtCore/QMap>
+#include <QtCore/QString>
 #include "pdm_types.h"
 
 namespace ProjectDataManagement

qt6-after/qt6-migrated-legatus/include/ProjectDataManagement/pdm_translation.h

@@ -11,7 +11,13 @@
 // filename: pdm_translation.h
 
 #include "pdm_enums.hpp"
+#ifndef PDM_COMMON_EXPORT
+#ifdef BUILD_RTI
 #include "svcpdmcommon_export.h"
+#else
+#define PDM_COMMON_EXPORT
+#endif
+#endif
 
 class QString;