Merge pull request #28387 from nextcloud/backport/25605/stable20

[stable20] dont show trusted proxy warning when the proxy and remote are both localhost

apps/settings/lib/Controller/CheckSetupController.php

@@ -307,7 +307,7 @@ private function forwardedForHeadersWorking() {
 			return false;
 		}
 
-		if (\is_array($trustedProxies) && \in_array($remoteAddress, $trustedProxies, true)) {
+		if (\is_array($trustedProxies) && \in_array($remoteAddress, $trustedProxies, true) && $remoteAddress !== '127.0.0.1') {
 			return $remoteAddress !== $this->request->getRemoteAddress();
 		}