Stop simple clicks from paging to top w/o disrupting dnd

cms/static/js/views/overview.js

@@ -59,6 +59,9 @@ $(document).ready(function() {
         greedy: true
     });
     
+    // stop clicks on drag bars from doing their thing w/o stopping drag (did this cancel pointer?)
+    $('.courseware-overview').click(function(e) {e.preventDefault(); });
+
 });
 
 CMS.HesitateEvent.toggleXpandHesitation = null;