@jzb Actually you fogot a few steps:
- Select "Login with Username&Password"
- Type Username
- Hit Next
- Reject loggin in with FIDO2
- Lookup Password in password manager
- Type the password manually, because Copy&Paste is blocked
- Uncheck "Store password"
- Hit Next
- Reject storing the password in your browser
- Select other method for second factor to avoid SMS
- Search for current 2FA code in your phone app
- …