Imported calendar from server to cloud won't include "who" field

Issue Summary

When importing a calendar (ics) from Confluence Server to Confluence Cloud, the user information (who) won't be imported.

Environment

• Confluence Server
• Confluence Cloud
• Team calendars on both instances

Steps to Reproduce

1. Create a new calendar on Server
2. Add some events setting the "who" field
3. Export the calendar to .ics file
4. Import it on Cloud

Expected Results

The calendar should be imported with the user's information (who)

Actual Results

The "who" field is not imported:
Server:

Cloud:

Workaround

Currently there is no known workaround for this behavior, but to manually associate the user with the calendar again.