Merge pull request #47922 from nextcloud/backport/47527/stable29

[stable29] fix(files_external): Handling in SFTP UI for custom ports

Author: susnux

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

@@ -37,6 +37,8 @@ public function __construct(IL10N $l, Password $legacyAuth) {
 			->setText($l->t('SFTP'))
 			->addParameters([
 				new DefinitionParameter('host', $l->t('Host')),
+				(new DefinitionParameter('port', $l->t('Port')))
+					->setFlag(DefinitionParameter::FLAG_OPTIONAL),
 				(new DefinitionParameter('root', $l->t('Root')))
 					->setFlag(DefinitionParameter::FLAG_OPTIONAL),
 			])