Merge pull request #55875 from nextcloud/backport/55730/stable30

[stable30] fix: translation on /unsupported screen

Author: AndyScherzinger

core/Controller/UnsupportedBrowserController.php

@@ -32,6 +32,7 @@ public function __construct(IRequest $request) {
 	#[NoCSRFRequired]
 	#[FrontpageRoute(verb: 'GET', url: 'unsupported')]
 	public function index(): Response {
+		Util::addTranslations('core');
 		Util::addScript('core', 'unsupported-browser');
 		Util::addStyle('core', 'icons');