AMBARI-3688. Checking 'do not show' does not persist on background ops. (xiwang)

ambari-web/app/utils/host_progress_popup.js

@@ -473,6 +473,7 @@ App.HostPopup = Em.Object.create({
       isOpen: false,
       didInsertElement: function(){
         this.set('isOpen', true);
+        this.set ('isNotShowBgChecked', !App.router.get('mainAdminUserSettingsController').loadShowBgChecked());
       },
       headerClass: Ember.View.extend({
         controller: this,