Client config not render blocking (#12300)

Changes for performance improvement.
The primary improvements include replacing GraphQL queries with
REST-based client configuration fetching and making the client config
non render-blocking

packages/twenty-front/src/modules/activities/files/utils/__tests__/downloadFile.test.ts

@@ -1,6 +1,5 @@
 import { downloadFile } from '../downloadFile';
 
-// Mock fetch
 global.fetch = jest.fn(() =>
   Promise.resolve({
     status: 200,
@@ -16,13 +15,10 @@ window.URL.revokeObjectURL = jest.fn();
 // `global.fetch` and `window.fetch` are also undefined
 describe.skip('downloadFile', () => {
   it('should download a file', () => {
-    // Call downloadFile
     downloadFile('url/to/file.pdf', 'file.pdf');
 
-    // Assert on fetch
     expect(fetch).toHaveBeenCalledWith('url/to/file.pdf');
 
-    // Assert on element creation
     const link = document.querySelector(
       'a[href="mock-url"][download="file.pdf"]',
     );
@@ -32,10 +28,8 @@ describe.skip('downloadFile', () => {
     // @ts-ignore
     expect(link?.style?.display).toBe('none');
 
-    // Assert on element click
     expect(link).toHaveBeenCalledTimes(1);
 
-    // Clean up mocks
     jest.clearAllMocks();
   });
 });