Merge pull request #57995 from nextcloud/backport/57793/stable31

Author: provokateurin

apps/files_external/lib/Lib/Storage/SFTP.php

@@ -64,7 +64,7 @@ public function __construct(array $parameters) {
 		$parsedHost = $this->splitHost($parameters['host']);
 
 		$this->host = $parsedHost[0];
-		$this->port = $parsedHost[1];
+		$this->port = $parameters['port'] ?? $parsedHost[1];
 
 		if (!isset($parameters['user'])) {
 			throw new \UnexpectedValueException('no authentication parameters specified');