Set 200 code for post requests (#21214)

as title, nestJS use to set 201 for post requests but some services
(like google) requests 200 response code

See
https://discord.com/channels/1130383047699738754/1511054250971758642/1511785364027609099
for context

packages/twenty-server/src/engine/metadata-modules/route-trigger/__tests__/route-trigger.controller.spec.ts

@@ -0,0 +1,60 @@
+import { HttpStatus } from '@nestjs/common';
+import { HTTP_CODE_METADATA } from '@nestjs/common/constants';
+
+import { type Request } from 'express';
+import { HTTPMethod } from 'twenty-shared/types';
+
+import { RouteTriggerService } from 'src/engine/core-modules/logic-function/logic-function-trigger/triggers/route/route-trigger.service';
+import { RouteTriggerController } from 'src/engine/metadata-modules/route-trigger/route-trigger.controller';
+
+describe('RouteTriggerController', () => {
+  let controller: RouteTriggerController;
+  const handle = jest.fn();
+
+  beforeEach(() => {
+    const routeTriggerService = {
+      handle,
+    } as unknown as RouteTriggerService;
+
+    controller = new RouteTriggerController(routeTriggerService);
+  });
+
+  afterEach(() => {
+    jest.clearAllMocks();
+  });
+
+  it('should be defined', () => {
+    expect(controller).toBeDefined();
+  });
+
+  describe('response status code', () => {
+    it.each([
+      ['get', RouteTriggerController.prototype.get],
+      ['post', RouteTriggerController.prototype.post],
+      ['put', RouteTriggerController.prototype.put],
+      ['patch', RouteTriggerController.prototype.patch],
+      ['delete', RouteTriggerController.prototype.delete],
+    ])('should respond with 200 for %s', (_method, handler) => {
+      const httpCode = Reflect.getMetadata(HTTP_CODE_METADATA, handler);
+
+      expect(httpCode).toBe(HttpStatus.OK);
+    });
+  });
+
+  describe('post', () => {
+    it('should delegate to the service with the POST http method', async () => {
+      const request = { path: '/s/webhooks/google/leads' } as Request;
+      const expectedResult = {};
+
+      handle.mockResolvedValue(expectedResult);
+
+      const result = await controller.post(request);
+
+      expect(handle).toHaveBeenCalledWith({
+        request,
+        httpMethod: HTTPMethod.POST,
+      });
+      expect(result).toBe(expectedResult);
+    });
+  });
+});

packages/twenty-server/src/engine/metadata-modules/route-trigger/route-trigger.controller.ts

@@ -2,6 +2,8 @@ import {
   Controller,
   Delete,
   Get,
+  HttpCode,
+  HttpStatus,
   Patch,
   Post,
   Put,
@@ -25,6 +27,7 @@ export class RouteTriggerController {
   constructor(private readonly routeTriggerService: RouteTriggerService) {}
 
   @Get('*path')
+  @HttpCode(HttpStatus.OK)
   async get(@Req() request: Request) {
     return await this.routeTriggerService.handle({
       request,
@@ -33,6 +36,7 @@ export class RouteTriggerController {
   }
 
   @Post('*path')
+  @HttpCode(HttpStatus.OK)
   async post(@Req() request: Request) {
     return await this.routeTriggerService.handle({
       request,
@@ -41,6 +45,7 @@ export class RouteTriggerController {
   }
 
   @Put('*path')
+  @HttpCode(HttpStatus.OK)
   async put(@Req() request: Request) {
     return await this.routeTriggerService.handle({
       request,
@@ -49,6 +54,7 @@ export class RouteTriggerController {
   }
 
   @Patch('*path')
+  @HttpCode(HttpStatus.OK)
   async patch(@Req() request: Request) {
     return await this.routeTriggerService.handle({
       request,
@@ -57,6 +63,7 @@ export class RouteTriggerController {
   }
 
   @Delete('*path')
+  @HttpCode(HttpStatus.OK)
   async delete(@Req() request: Request) {
     return await this.routeTriggerService.handle({
       request,