Authorization challenge endpoint in case a first party flow is enabled with the integrated authorization server

Example request

{
  "client_id": "https://wallet.example.com",
  "issuer_state": "a81bc81b-dead-4563-8692-3bc3c7f12897",
  "auth_session": "d270fee1-9185-4e60-9901-d291e1338d7a"
}