If you're using Tuta instead of Google Calendar, I built a similar userscript for that:
https://discourse.joplinapp.org/t/userscript-clickable-joplin-x-callback-url-links-in-tuta-calendar/498720
If you're using Tuta instead of Google Calendar, I built a similar userscript for that:
https://discourse.joplinapp.org/t/userscript-clickable-joplin-x-callback-url-links-in-tuta-calendar/498720