Fix setting up 2FA providers when 2FA is enforced and bc are generated

When a user has backup codes generated and got their 2FA enforced then
they should be able to set up TOTP and similar providers during the
login.

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

core/Middleware/TwoFactorMiddleware.php

@@ -92,7 +92,7 @@ public function beforeController($controller, $methodName) {
 			&& !$this->reflector->hasAnnotation('TwoFactorSetUpDoneRequired')) {
 			$providers = $this->twoFactorManager->getProviderSet($this->userSession->getUser());
 
-			if (!($providers->getProviders() === [] && !$providers->isProviderMissing())) {
+			if (!($providers->getPrimaryProviders() === [] && !$providers->isProviderMissing())) {
 				throw new TwoFactorAuthRequiredException();
 			}
 		}