FIX: wasn't extracting links to quoted posts

lib/onebox/discourse_onebox_sanitize_config.rb

@@ -0,0 +1,9 @@
+class Sanitize
+  module Config
+
+    DISCOURSE_ONEBOX ||= freeze_config merge(ONEBOX,
+      attributes: merge(ONEBOX[:attributes], 'aside' => [:data])
+    )
+
+  end
+end

lib/onebox/engine/discourse_local_onebox.rb

@@ -69,7 +69,7 @@ module Onebox
             first_post = topic.ordered_posts.first
 
             args = {
-              topic: topic.id,
+              topic_id: topic.id,
               avatar: PrettyText.avatar_img(topic.user.avatar_template, "tiny"),
               original_url: @url,
               title: PrettyText.unescape_emoji(CGI::escapeHTML(topic.title)),

lib/onebox/templates/discourse_topic_onebox.hbs

@@ -1,4 +1,4 @@
-<aside class='quote topic-onebox' data-post="1" data-topic="{{topic}}">
+<aside class='quote' data-post="1" data-topic="{{topic_id}}">
   <div class='title'>
     {{{avatar}}}
     <a href="{{original_url}}">{{{title}}}</a> {{{category_html}}}