attempt to fix sort

lms/templates/discussion/_forum.html

@@ -2,7 +2,7 @@
 
 <section class="discussion inline-discussion" _id="${discussion_id}">
 
-  <div class="discussion-non-content">
+  <div class="discussion-non-content discussion-local">
     <div class="search-wrapper">
       <%include file="_search_bar.html" />
     </div>    

lms/templates/discussion/_sort.html

@@ -23,7 +23,7 @@
   <a class="discussion-sort-link ${cls}" href="javascript:void(0)" sort-url="${url_for_sort(key, order)}">${title}</a>
 </%def>
 
-<div class="discussion-sort">
+<div class="discussion-sort discussion-local">
   <span class="discussion-label">Sort by:</span>
   ${link_to_sort('top', 'top')}