fix: #13081, don't add mention when you are replying to yourself

public/src/client/topic/postTools.js

@@ -397,7 +397,7 @@ define('forum/topic/postTools', [
 				return;
 			}
 			const post = button.parents('[data-pid]');
-			if (post.length) {
+			if (post.length && !post.hasClass('self-post')) {
 				require(['slugify'], function (slugify) {
 					slug = slugify(post.attr('data-username'), true);
 					if (!slug) {