Fixes #5873

- Notifications.getMultiple now takes an optional uid parameter
- If a notification link in dropdown points to a topic and you're
  in said topic, you will be scrolled to the post instead of
  ajaxified to it.

src/user/notifications.js

@@ -140,7 +140,7 @@ UserNotifications.getNotifications = function (nids, uid, callback) {
 		function (next) {
 			async.parallel({
 				notifications: function (next) {
-					notifications.getMultiple(nids, next);
+					notifications.getMultiple(nids, uid, next);
 				},
 				hasRead: function (next) {
 					db.isSortedSetMembers('uid:' + uid + ':notifications:read', nids, next);