Slightly delay MoH check

So it doesn't start/stop when you join a room with participants

public/js/vroom.js

@@ -630,6 +630,7 @@ function initVroom(room) {
 
   // Check if MoH is needed
   function checkMoh(){
+    setTimeout(function(){
       if (!moh && Object.keys(peers).length < 2){
         if (!$('#pauseMohButton').is(':checked')){
           $('#mohPlayer')[0].play();
@@ -637,6 +638,7 @@ function initVroom(room) {
         }
         $('.aloneEl').show(200);
       }
+    }, 3000);
   }
 
   // An owner is muting/unmuting someone