Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/Services/ProjectDataManagement/pdm_to_string.h

@@ -0,0 +1,18 @@
+/**
+* @RDE_HEADER@
+* Convert DSS enumerations to translatable strings
+* $Id$
+* $HeadURL$
+* $Author$
+*/
+
+#include <ProjectDataManagement/pdm_translation.h>
+#include <QCoreApplication>
+
+namespace ProjectDataManagement
+{
+//
+// VulnerabilityState + VulnerabilityClass
+//
+PDM_COMMON_EXPORT QString toString(VulnerabilityState vs, VulnerabilityClass vc);
+} // namespace ProjectDataManagement