A Two Factor third party App may throw a TwoFactorException()
with a more detailed error message in case the authentication fails.
The 2FA Controller will then display the message of this Exception
to the user.
Working on #26593
Signed-off-by: Lukas Reschke <lukas@statuscode.ch>
Roeland Jago Douma
Morris Jobke
Christoph Wurst
Cornelius Kölbel