feat(login): Clear login form (password) after IDLE timeout
For security reasons it is recommended to stop the login process at a defined time,
this could prevent password leaks by e.g. user forgetting that they entered their password on public devices.
Enforced e.g. by the BSI ORP.4.A13 rule.
Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>