I'm sorry this is not a solution to your problem.
But I saw you saying this:
Quote: Originally Posted by artisanalPraxis
I run a .reg on startup to make sure that the password dialog is always open on the login screen and not the fingerprint reader dialog
How did you exactly manage this? I've been looking for ages for a way to do this, but all my searches came up with nothing. Is it also possible to have this aesthetic change in the Lock screen (in addition to the login screen).