refresh config after appstore login

1. create new cloudron
2. appstore login
3. go to domains view. cannot add more than one domain because config.features is not refreshed.

src/views/appstore.js

@@ -393,6 +393,7 @@ angular.module('Application').controller('AppStoreController', ['$scope', '$tran
             $scope.showCategory('');
 
             // do this in background
+            Client.refreshConfig(); // refresh domain, user, group limit etc
             fetchUsers();
             fetchGroups();