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Issue Summary

When any attendee (or organizer) reschedules an event, the update is not replicated on caldav side

Steps to Reproduce

1. Create a new schedule (I used optin ones)
2. once booked, reschedule using the Web UI or link in the Email
3. Event is correctly updated in Cal.com's Web UI but no on caldav side

Technical details

• Firefox 100.0.2 ; cal.com v1.6.3 ; node v14.19.3
• Caldav server : nextcloud 24.0.1