Hide all moe masks on popState

public/js/mc.js

@@ -67,6 +67,8 @@ var findEventHandlers = function (eventType, jqSelector) {
 
 window.top.addEventListener('popstate', function (event) {
     window.setTimeout(function () {
+        hideMask();
+        hideMoeFormMask();
         if (!event || (!event.state && event.state !== '')) {
             console.error('ALIX No state!', event, event.state);
             return;