R1:55c18bc90041

During first-time setup, create an administrator account with no authentication instead of weird, detached authentication

Summary:
Ref T6703. Currently, when you create an account on a new install, we prompt you to select a password.

You can't actually use that password unless you set up a password provider, and that password can't be associated with a provider since a password provider won't exist yet.

Instead, just don't ask for a password: create an account with a username and an email address only.