Adds ktexttemplate as apt package to new_docker_build.sh and builds successfully

qt6-after/qt6-migrated-legatus/Lts/DDS/FTC/generic_ftc_impl.h

@@ -430,7 +430,7 @@ private:
           INFO_LOG(m_logger) << "#receiveReply for " << TopicNameHelper::replyTopicTypeName();
           // QueuedConnection to make sure the data is handled in the correct Qt (main) thread
           request.replySlot.invoke(m_objToInform, Qt::QueuedConnection,
-                                   QArgument<ReplyTopic>(TopicNameHelper::replyTopicTypeName(), reply.data()),  // need to explicitly specify the registered typename
+                                   Q_RETURN_ARG(ReplyTopic, reply.data()),
                                    Q_ARG(int, request.uniqueId),
                                    Q_ARG(bool, !inProgress)); // finished yes/no
         }