Collect user_login and user_name in account admin UI.

Co-authored-by: Cursor <cursoragent@cursor.com>

components/__tests__/AccountAdminShell.test.tsx

@@ -6,6 +6,7 @@ vi.mock('../../context/AuthContext.tsx', () => ({
   useAuth: () => ({
     user: {
       id: 9,
+      user_login: 'account_admin',
       user_name: 'account_admin',
       status: 'account_admin',
       is_superuser: false,