Set redirect_url on 2FA challenge page

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

core/Controller/TwoFactorChallengeController.php

@@ -128,6 +128,7 @@ class TwoFactorChallengeController extends Controller {
 			'provider' => $provider,
 			'backupProvider' => $backupProvider,
 			'logout_attribute' => $this->getLogoutAttribute(),
+			'redirect_url' => $redirect_url,
 			'template' => $tmpl->fetchPage(),
 		];
 		return new TemplateResponse($this->appName, 'twofactorshowchallenge', $data, 'guest');

tests/Core/Controller/TwoFactorChallengeControllerTest.php

@@ -143,6 +143,7 @@ class TwoFactorChallengeControllerTest extends TestCase {
 			'backupProvider' => $backupProvider,
 			'logout_attribute' => 'logoutAttribute',
 			'template' => '<html/>',
+			'redirect_url' => '/re/dir/ect/url',
 			], 'guest');
 
 		$this->assertEquals($expected, $this->controller->showChallenge('myprovider', '/re/dir/ect/url'));