"Need admin approval" page is shown when adminconsent url is logged in by user, which is fine. It has as options to login
with admin account.
1. On clicking "Have an admin account? Sign in with that account"
2. It redirect to login as admin, on login as global admin of the AD.
3. It shows an error "AADSTS50197: Sorry, we could not find the user, please sign-in again."