5899 display a banner to alert users which need to reconnect their account (#6301)

Closes #5899

<img width="1280" alt="Index - banner"
src="https://github.com/twentyhq/twenty/assets/71827178/313cf20d-eb34-496a-8c7c-7589fbd55954">

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

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

@@ -17,6 +17,7 @@ type MockedUser = Pick<
   | '__typename'
   | 'supportUserHash'
   | 'onboardingStatus'
+  | 'userVars'
 > & {
   workspaceMember: WorkspaceMember | null;
   locale: string;
@@ -99,6 +100,7 @@ export const mockedUserData: MockedUser = {
   locale: 'en',
   workspaces: [{ workspace: mockDefaultWorkspace }],
   onboardingStatus: OnboardingStatus.Completed,
+  userVars: {},
 };
 
 export const mockedOnboardingUserData = (