Internal Sever Error occurs when changing Time Zone.

Steps:

1. Log in to back-office as e.g. admin.
2. Go to User Settings.
3. Change Time Zone.
4. Save.

Issue: Error 500, Type error: Return value of EzSystems\EzPlatformUserBundle\Controller\UserSettingsController::updateAction() must be an instance of EzSystems\EzPlatformUser\View\UserSettings\UpdateView, instance of Symfony\Component\HttpFoundation\RedirectResponse returned [in vendor/ezsystems/ezplatform-user/src/bundle/Controller/UserSettingsController.php:130].