[FIX] website: mobile preview should keep the current search; some pages...

[FIX] website: mobile preview should keep the current search; some pages depends strongly of the url parameters, notably the email designer page.

addons/website/static/src/js/website.mobile.js

@@ -20,7 +20,7 @@
             if (!window.location.origin) { // fix for ie9
                 window.location.origin = window.location.protocol + "//" + window.location.hostname + (window.location.port ? ':' + window.location.port: '');
             }
-            document.getElementById("mobile-viewport").src = window.location.origin + window.location.pathname + "#mobile-preview";
+            document.getElementById("mobile-viewport").src = window.location.origin + window.location.pathname + window.location.search + "#mobile-preview";
             this.$el.modal();
         },
         destroy: function () {