Merge pull request #18135 from nextcloud/fix/trim-login-name

Trim the login name

Author: rullzer

core/Controller/LoginController.php

@@ -289,7 +289,7 @@ public function tryLogin(string $user,
 
 		$data = new LoginData(
 			$this->request,
-			$user,
+			trim($user),
 			$password,
 			$redirect_url,
 			$timezone,