Allow transition straight to login-password prompt from login-id without email input in new universal login page

Feature:
Allow transition straight to login-password prompt from login-id without email input in new universal login page.

Description:
Allow transition straight to login-password prompt from login-id without email input in new universal login page when the authentication profile is identifier first. This would allow implementing a secondary “Login with password” link/button for passwordless login mode.

The UL ui would need not allow this transition and switch the connection between email and a database connection.

Use-case:
The passwordless email connection is default directory.

Tenant authentication profile is Identifier first (as it has to be to support passwordless).

A secondary “Login with password” custom prompt partial is implemented which would simply switch to the login-password prompt where user can enter both the username and password.

Current behaviour: if you simply try to replace the identifier part in the url with password i.e. something like /u/login/identifier?state=xxx → /u/login/password?state=xxx you’ll get error to callback: error=invalid_request&error_description=User identifier prompt skipped.