Don't show MOH popover if the button isn't displayed

public/js/vroom.js

@@ -1562,6 +1562,12 @@ function initVroom(room) {
         setTimeout(function(){
           $('#connecting').modal('hide');
         }, 200);
+        // Show MOH poup if the button is visible
+        if ($('.btn-moh:fist').css('display') !== 'none'){
+          $('.btn-moh').popover({
+            trigger: 'focus'
+          });
+        }
       }
     });
     checkMoh();

templates/default/join.html.ep

@@ -73,7 +73,7 @@
           </button>
         </div>
         <div class="btn-group navbar-form navbar-btn-group navbar-left hidden-xs aloneEl">
-          <button class="btn btn-lg btn-default popup btn-moh" data-toggle="popover" data-content="<%=l 'WAIT_WITH_MUSIC' %>" data-placement="bottom">
+          <button class="btn btn-lg btn-default btn-moh" data-toggle="popover" data-content="<%=l 'WAIT_WITH_MUSIC' %>" data-placement="bottom">
             <span class="glyphicon glyphicon-music">
             </span>
           </button>