fix: getDefaultApp()

Author: DeepDiver1975

core/Controller/AppRegistryController.php

@@ -309,7 +309,8 @@ private function buildWebUri(array $app_info, string $fileId): ?string {
 	private function getDefaultApp(string $mimeType): ?string {
 		# get mime from file and see which of the enabled apps matches
 		foreach (self::$apps as $app_name => $app_info) {
-			if ($this->appManager->isEnabledForUser($app_name)) {
+			$oc_app_name = $app_info['oc_app_name'];
+			if ($this->appManager->isEnabledForUser($oc_app_name)) {
 				if (\in_array($mimeType, $app_info['mime-types'], true)) {
 					return $app_name;
 				}