sendUserName

private fun sendUserName()

Send username to FIDO2 server to have a session ID generated.

Uses sendUsername method from userViewModel to send the username provided by the user to the fido2/webauthn server. After this is done, the user is redirected to LoginKeyFragment. Calls userViewModel setUsernameBeforePassword method to reset the bool that ensures that the username() method in AuthRepository is always executed before password() method.