Migration of alert to ES6 module

src/scripts/serverNotifications.js

@@ -15,7 +15,7 @@ define(['connectionManager', 'playbackManager', 'syncPlayManager', 'events', 'in
             });
         } else {
             require(['alert'], function (alert) {
-                alert({ title: args.Header, text: args.Text });
+                alert.default({ title: args.Header, text: args.Text });
             });
         }
     }

src/scripts/site.js

@@ -187,7 +187,7 @@ var Dashboard = {
         }
 
         require(['alert'], function (alert) {
-            alert({
+            alert.default({
                 title: options.title || Globalize.translate('HeaderAlert'),
                 text: options.message
             }).then(options.callback || function () {});