fix: Redefine targets index route

ui/desktop/app/router.js

@@ -9,7 +9,7 @@ export default class Router extends EmberRouter {
 Router.map(function () {
   this.route('scopes', function() {
     this.route('scope', { path: ':scope_id' }, function() {
-      this.route('targets');
+      this.route('targets', function() {});
       this.route('authenticate', function() {
         this.route('method', { path: ':auth_method_id' });
       });