fix(stream): not launch stream tasks when restarting the stream tasks.

source/dnode/vnode/src/tq/tq.c

@@ -1180,6 +1180,8 @@ int32_t tqProcessTaskDeployReq(STQ* pTq, int64_t sversion, char* msg, int32_t ms
       if (p != NULL) {
         streamMetaReleaseTask(pStreamMeta, p);
       }
+    } else {
+      tqDebug("vgId:%d not leader, not launch stream task s-task:0x%x", vgId, taskId);
     }
   } else {
     tqWarn("vgId:%d failed to add s-task:0x%x, since already exists in meta store", vgId, taskId);

source/libs/stream/src/streamTask.c

@@ -495,7 +495,10 @@ int32_t streamTaskRestart(SStreamTask* pTask, const char* pDir, bool startTask)
          pTask->status.stage, streamGetTaskStatusStr(pTask->status.taskStatus));
 
   // 3. start to check the downstream status
-  streamTaskCheckDownstreamTasks(pTask);
+  if (startTask) {
+    streamTaskCheckDownstreamTasks(pTask);
+  }
+
   return 0;
 }