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/Services/EffectShowManagement/handler_ppm_data.cpp

@@ -80,7 +80,7 @@ void HandlerPpmData::onParticipantChanged(const ParticipantManagement::Participa
     auto m_ppmDtc = m_mainHandler->dds()->dtcPpm();
     ParticipantManagement::TypeClass typeClass = m_ppmDtc->type(data.typeId).typeClass;
     DEBUG_LOG(m_logger) << "support entity / equipment number set " << (typeClass == ParticipantManagement::TypeClass::SupportEntity)
-                        << " / " << data.equipmentNumber.is_set() << ", typeId: " << data.typeId
+                        << " / " << data.equipmentNumber.has_value() << ", typeId: " << data.typeId
                         << ", cnt: " << m_ppmDtc->types().size();
 
     if (typeClass != ParticipantManagement::TypeClass::SupportEntity)
@@ -91,7 +91,7 @@ void HandlerPpmData::onParticipantChanged(const ParticipantManagement::Participa
     else
     {
       // does not exists or has no longer an equipment number -> remove
-      if (!data.equipmentNumber.is_set())
+      if (!data.equipmentNumber.has_value())
         modType = DataModification::eRemoved;
     }