Update TaskInstanceCacheManagerImpl.java (#5656)

dolphinscheduler-server/src/main/java/org/apache/dolphinscheduler/server/master/cache/impl/TaskInstanceCacheManagerImpl.java

@@ -110,6 +110,7 @@ public class TaskInstanceCacheManagerImpl implements TaskInstanceCacheManager {
     @Override
     public void cacheTaskInstance(TaskExecuteAckCommand taskAckCommand) {
         TaskInstance taskInstance = new TaskInstance();
+        taskInstance.setId(taskAckCommand.getTaskInstanceId());
         taskInstance.setState(ExecutionStatus.of(taskAckCommand.getStatus()));
         taskInstance.setStartTime(taskAckCommand.getStartTime());
         taskInstance.setHost(taskAckCommand.getHost());