Fix load more pages button on single thread.

lms/djangoapps/django_comment_client/forum/views.py

@@ -248,6 +248,7 @@ def single_thread(request, course_id, discussion_id, thread_id):
             'threads': saxutils.escape(json.dumps(threads), escapedict),
             'category_map': category_map,
             'roles': saxutils.escape(json.dumps(utils.get_role_ids(course_id)), escapedict),
+            'thread_pages': query_params['num_pages'],
         }
 
         return render_to_response('discussion/single_thread.html', context)

lms/templates/discussion/single_thread.html

@@ -24,7 +24,7 @@
 
 <%include file="_new_post.html" />
 
-<section class="discussion container" id="discussion-container" data-roles="${roles}" data-course-id="${course_id}" data-user-info="${user_info}" data-threads="${threads}" data-content-info="${annotated_content_info}">
+<section class="discussion container" id="discussion-container" data-roles="${roles}" data-course-id="${course_id}" data-user-info="${user_info}" data-threads="${threads}" data-content-info="${annotated_content_info}" data-thread-pages="${thread_pages}">
   <div class="discussion-body">
     <div class="sidebar"></div>
     <div class="discussion-column"></div>