fix: ignore hook when disable (#702)

> Currently, `triggerHookWorkerMaxConcurrentTasks` is 10 by defualt,
which can lead to some redis queries even hookEnable is not activated.
* ♻️ Follow `CreateTriggerHookWorker`, when hookEnable is not activated,
do not query task queue.
-------

> 目前 triggerHookWorkerMaxConcurrentTasks 默认为 10，在未开启 hookEnable
时会带来一些冗余的 redis 查询
* ♻️ 参照 `CreateTriggerHookWorker` 逻辑，hookEnable 关闭时，不进行存量任务轮训

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Bug Fixes**
- Added a check to ensure hooks are enabled before proceeding, improving
reliability and preventing errors when hooks are disabled.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

app/port/schedule/TriggerHookWorker.ts

@@ -27,6 +27,7 @@ export class TriggerHookWorker {
   private readonly taskService: TaskService;
 
   async subscribe() {
+    if (!this.config.cnpmcore.hookEnable) return;
     if (executingCount >= this.config.cnpmcore.triggerHookWorkerMaxConcurrentTasks) return;
 
     executingCount++;