Add to Calendar Google link results in 404 on Event Registration

[golaat]

Describe the bug When clicking the Google link for the Add to Calendar the resultant page is a 404.

To Reproduce Steps to reproduce the behavior:

1. From the tenant event homepage select an event.
2. Click the Google link next to Add to Calendar

Expected behavior A calendar entry should be added to your Google Calendar

Screenshots

Version alfio-2.0-M4