[FEAT MERGE] Merge syslog user experience improvement to master

Co-authored-by: Charles0429 <xiezhenjiang@gmail.com>
Co-authored-by: tino247 <tino247@126.com>
Co-authored-by: chaser-ch <chaser.ch@antgroup.com>

src/rootserver/ddl_task/ob_ddl_redefinition_task.cpp

@@ -1340,6 +1340,7 @@ int ObDDLRedefinitionTask::check_health()
       || ObDDLTaskStatus::SUCCESS == static_cast<ObDDLTaskStatus>(task_status_)) {
     ret = OB_SUCCESS; // allow clean up
   }
+  check_ddl_task_execute_too_long();
   return ret;
 }