Update intel link to match stock.

It looks like when `/intel` was removed with e5fe5d8, stock was not adding
the string to the URL.  Currently it does in both the web and scanner apps.

Closes IITC-CE#684.

core/code/utils_misc.js

@@ -529,7 +529,7 @@ window.makePermalink = function (latlng, options) {
   if (options.fullURL) {
     url += new URL(document.baseURI).origin;
   }
-  url += '/';
+  url += '/intel';
   return url + '?' + args.join('&');
 };