[9.0] Issue #554: Shared Albums can now be downloaded via shared link

(cherry picked from commit 6e23f43)

js/galleryutility.js

@@ -170,7 +170,7 @@ window.Gallery = window.Gallery || {};
 
 			if (Gallery.token) {
 				params.token = Gallery.token;
-				subUrl = 's/{token}/download?path={path}&files={files}';
+				subUrl = 's/{token}/download?dir={path}&files={files}';
 			} else {
 				subUrl = 'apps/files/ajax/download.php?dir={path}&files={files}';
 			}