Add Twenty Shared & Fix profile image rendering (#8841)

PR Summary: 

1. Added `Twenty Shared` Package to centralize utilitiies as mentioned
in #8942
2. Optimization of `getImageAbsoluteURI.ts` to handle edge cases


![image](https://github.com/user-attachments/assets/c72a3061-6eba-46b8-85ac-869f06bf23c0)

---------

Co-authored-by: Antoine Moreaux <moreaux.antoine@gmail.com>
Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-emails/src/utils/getImageAbsoluteURI.ts

@@ -1,9 +0,0 @@
-export const getImageAbsoluteURI = (imageUrl: string, serverUrl: string) => {
-  if (imageUrl.startsWith('https:') || imageUrl.startsWith('http:')) {
-    return imageUrl;
-  }
-
-  return serverUrl.endsWith('/')
-    ? `${serverUrl.substring(0, serverUrl.length - 1)}/files/${imageUrl}`
-    : `${serverUrl}/files/${imageUrl}`;
-};