feat: allow adding nested replies to a target component

public/src/client/topic/replies.js

@@ -34,8 +34,14 @@ define('forum/topic/replies', ['navigator', 'components', 'forum/topic/posts'],
 					hideReplies: config.hasOwnProperty('showNestedReplies') ? !config.showNestedReplies : true,
 				};
 				app.parseAndTranslate('topic', 'posts', tplData, function (html) {
-					$('<div>', { component: 'post/replies' }).html(html).hide().insertAfter(button)
-						.slideDown('fast');
+					var repliesEl = $('<div>', { component: 'post/replies' }).html(html).hide();
+					if (button.attr('data-target-component')) {
+						post.find('[component="' + button.attr('data-target-component') + '"]').html(repliesEl);
+					} else {
+						repliesEl.insertAfter(button);
+					}
+
+					repliesEl.slideDown('fast');
 					posts.onNewPostsAddedToDom(html);
 					$(window).trigger('action:posts.loaded', { posts: data });
 				});