BREAKING CHANGE: Fix broken support button (#12648)

## Context 

Support button was missing for configuration having support enabled
(FrontApp)

<img width="1253" alt="image"
src="https://github.com/user-attachments/assets/930e3e0c-05a1-4a5b-820b-bb257f19fdde"
/>


## How

Recently, we changed some enums from lowercase to uppercase in graphql

## Problem resolution

supportDriver was typed as a string where we could have used
SupportDriver type. I'm exposing it in the graphql generated files to
re-use in the front so this issue cannot happen anymore

packages/twenty-front/src/testing/mock-data/config.ts

@@ -1,4 +1,8 @@
-import { CaptchaDriverType, ClientConfig } from '~/generated/graphql';
+import {
+  CaptchaDriverType,
+  ClientConfig,
+  SupportDriver,
+} from '~/generated/graphql';
 
 export const mockedClientConfig: ClientConfig = {
   signInPrefilled: true,
@@ -17,7 +21,7 @@ export const mockedClientConfig: ClientConfig = {
   debugMode: false,
   analyticsEnabled: true,
   support: {
-    supportDriver: 'front',
+    supportDriver: SupportDriver.FRONT,
     supportFrontChatId: null,
   },
   sentry: {