8726 workflow add a test button in workflow code step (#9016)

- add test button to workflow code step
- add test tab to workflow code step


https://github.com/user-attachments/assets/e180a827-7321-49a2-8026-88490c557da2



![image](https://github.com/user-attachments/assets/cacbd756-de3f-4141-a84c-8e1853f6556b)

![image](https://github.com/user-attachments/assets/ee170d81-8a22-4178-bd6d-11a0e8c73365)

packages/twenty-front/src/hooks/usePreventOverlapCallback.ts

@@ -1,32 +0,0 @@
-import { useEffect, useState } from 'react';
-import { useDebouncedCallback } from 'use-debounce';
-
-export const usePreventOverlapCallback = (
-  callback: () => Promise<void>,
-  wait?: number,
-) => {
-  const [isRunning, setIsRunning] = useState(false);
-  const [pendingRun, setPendingRun] = useState(false);
-
-  const handleCallback = async () => {
-    if (isRunning) {
-      setPendingRun(true);
-      return;
-    }
-    setIsRunning(true);
-    try {
-      await callback();
-    } finally {
-      setIsRunning(false);
-    }
-  };
-
-  useEffect(() => {
-    if (!isRunning && pendingRun) {
-      setPendingRun(false);
-      callback();
-    }
-  }, [callback, isRunning, pendingRun, setPendingRun]);
-
-  return useDebouncedCallback(handleCallback, wait);
-};