fix: make selector stricter

so navigator number doesn't change due to nested replies

public/src/client/topic.js

@@ -49,7 +49,7 @@ define('forum/topic', [
 			posts.signaturesShown = {};
 		}
 		await posts.onTopicPageLoad(components.get('post'));
-		navigator.init('[component="post"]', ajaxify.data.postcount, Topic.toTop, Topic.toBottom, Topic.navigatorCallback);
+		navigator.init('[component="topic"]>[component="post"]', ajaxify.data.postcount, Topic.toTop, Topic.toBottom, Topic.navigatorCallback);
 
 		postTools.init(tid);
 		threadTools.init(tid, $('.topic'));