make Share button localized again

it seems we have forgotten to use named FileAction

apps/files/js/fileactions.js

@@ -469,7 +469,7 @@
 				if (url) {
 					OC.redirect(url);
 				}
-			});
+			}, t('files', 'Download'));
 		}
 	};
 

apps/files_sharing/js/share.js

@@ -135,7 +135,7 @@
 						$tr.removeAttr('data-share-recipients');
 					}
 				});
-			});
+			}, t('files_sharing', 'Share'));
 		},
 
 		/**