fix: unread badge

- only increase unread badge if topic or category is watched
- fix logic for "there are new posts/topics" on /unread and /recent

src/controllers/topics.js

@@ -161,7 +161,7 @@ topicsController.get = function (req, res, callback) {
 				res.locals.linkTags.push(rel);
 			});
 
-			if (!req.isSpider()) {
+			if (req.uid >= 0) {
 				req.session.tids_viewed = req.session.tids_viewed || {};
 				if (!req.session.tids_viewed[tid] || req.session.tids_viewed[tid] < Date.now() - 3600000) {
 					topics.increaseViewCount(tid);