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/modules/users/components/UserProviderEffect.tsx

@@ -1,4 +1,4 @@
-import React, { useEffect, useState } from 'react';
+import { useEffect, useState } from 'react';
 import { useRecoilState, useSetRecoilState } from 'recoil';
 
 import { currentUserState } from '@/auth/states/currentUserState';