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/AdvancedSymbology/Data/asb_data_plugin.cpp

@@ -17,7 +17,7 @@ namespace AdvancedSymbology
 AdvancedSymbology::SidcDefinitions::Identity roleToIdentity(const ParticipantManagement::Role role)
 {
   AdvancedSymbology::SidcDefinitions::Identity identity = AdvancedSymbology::SidcDefinitions::Identity::Unknown;
-  switch (role.underlying()) {
+  switch (role) {
   case ParticipantManagement::Role::Unknown:
     identity = AdvancedSymbology::SidcDefinitions::Identity::Unknown;
     break;