chore: update returned attachement fullPath (#9516)

### Solution

fullPath prop on attachement (when returned by backend) is updated to
'domain + path' (formerly 'path').

Consequently, getFileAbsoluteURI util in front is removed.

closes #8763

---------

Co-authored-by: etiennejouan <jouan.etienne@gmail.com>

packages/twenty-front/src/utils/file/__tests__/getFileAbsoluteURI.test.ts

@@ -1,10 +0,0 @@
-import { getFileAbsoluteURI } from '../getFileAbsoluteURI';
-import { REACT_APP_SERVER_BASE_URL } from '~/config';
-
-describe('getFileAbsoluteURI', () => {
-  test('should return absolute uri', () => {
-    expect(getFileAbsoluteURI('foo')).toEqual(
-      `${REACT_APP_SERVER_BASE_URL}/files/foo`,
-    );
-  });
-});

packages/twenty-front/src/utils/file/getFileAbsoluteURI.ts

@@ -1,5 +0,0 @@
-import { REACT_APP_SERVER_BASE_URL } from '~/config';
-
-export const getFileAbsoluteURI = (fileUrl?: string) => {
-  return `${REACT_APP_SERVER_BASE_URL}/files/${fileUrl}`;
-};