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-server/src/engine/core-modules/serverless/drivers/constants/base-typescript-project-input-schema.ts

@@ -0,0 +1,4 @@
+export const BASE_TYPESCRIPT_PROJECT_INPUT_SCHEMA = {
+  a: null,
+  b: null,
+};