Display sign in page when explicitly requested, even with the presence of `auto_sign_in_with_provider`
Use case: We are auto_sign_in_with_provider
, but lately, we have some outsource people who require limited access without any SSO. For our internal usage, we are happy that whenever a user is not signed in, s/he is automatically redirected to SSO provider (Google), then redirected back to our in-house Gitlab. However, for guests, it is important that they can still sign in by other methods, with a special link, e.g. user/sign_in?sso=no