[Fix-14828][master] check task id not null to avoid NPE (#14829)

Co-authored-by: eye <eye.gu@aloudata.com>
Co-authored-by: Aaron Wang <wangweirao16@gmail.com>
Co-authored-by: caishunfeng <caishunfeng2021@gmail.com>

dolphinscheduler-master/src/main/java/org/apache/dolphinscheduler/server/master/runner/WorkflowExecuteRunnable.java

@@ -1897,7 +1897,7 @@ public void submitStandByTask() throws StateEventHandleException {
         TaskInstance task;
         while ((task = readyToSubmitTaskQueue.peek()) != null) {
             // stop tasks which is retrying if forced success happens
-            if (task.taskCanRetry()) {
+            if (task.getId() != null && task.taskCanRetry()) {
                 TaskInstance retryTask = taskInstanceDao.queryById(task.getId());
                 if (retryTask != null && retryTask.getState().isForceSuccess()) {
                     task.setState(retryTask.getState());