* AuthN: Update signature of redirect client and RedirectURL function
* OAuth: use authn.Service to perform oauth authentication and login if feature toggle is enabled
* AuthN: register oauth clients
* AuthN: set auth module metadata
* AuthN: add logs for failed login attempts
* AuthN: Don't use enable disabled setting
* OAuth: only run hooks when authnService feature toggle is disabled
* OAuth: Add function to handle oauth errors from authn.Service