refacto(invite|signin): remove unused code + fix signin on invite page. (#9745)

- Replace `window.location.replace` by `useRedirect` hook.
- Remove unused code: `switchWorkspace, addUserByInviteHash...`
- Refacto `Invite` component.
- Fix signin on invite modal.

packages/twenty-front/src/modules/apollo/hooks/useApolloFactory.ts

@@ -69,7 +69,7 @@ export const useApolloFactory = (options: Partial<Options<any>> = {}) => {
         setCurrentUser(null);
         setCurrentWorkspaceMember(null);
         setCurrentWorkspace(null);
-        setWorkspaces(null);
+        setWorkspaces([]);
         if (
           !isMatchingLocation(AppPath.Verify) &&
           !isMatchingLocation(AppPath.SignInUp) &&