Migrates OcSituation and ServiceManagement to generated rtiddsgen API

Converts accessor calls to plain member access in osc, oss and obd services.

qt6-after/qt6-migrated-legatus/Lts/Services/OcSituationClient/dds_handler.cpp

@@ -48,7 +48,7 @@ bool DdsHandler::init(const QStringList &qosFileList)
 
 qint64 DdsHandler::currentPartitionTime() const
 {
-  return m_dtcCore->partitionTime().timeStamp();
+  return m_dtcCore->partitionTime().timeStamp;
 }
 
 } // namespace OcSituationClient