[Fix-18041][Worker]Fix Parameter passing feature is unavailable in K8S Task (#18042)

Author: njnu-seafish

dolphinscheduler-task-plugin/dolphinscheduler-task-api/src/main/java/org/apache/dolphinscheduler/plugin/task/api/k8s/AbstractK8sTask.java

@@ -53,6 +53,7 @@ public void handle(TaskCallBack taskCallBack) throws TaskException {
             setExitStatusCode(response.getExitStatusCode());
             setAppIds(response.getAppIds());
             dealOutParam(abstractK8sTaskExecutor.getTaskOutputParams());
+            taskRequest.setVarPool(getParameters().getVarPool());
         } catch (Exception e) {
             log.error("k8s task submit failed with error");
             exitStatusCode = -1;