Issue Summary

Team Calendars migrated via Confluence Cloud Migration Assistant don't show up in searches when trying to add existing calendar to a new space

Steps to Reproduce

1. Add calendar to existing space on Confluence DC instance
2. Migrate space from DC to Cloud via CCMA
3. In a separate space on the Cloud instance access 'Calendar' page
4. Click 'Add existing calendar' and search for migrated calendar by name

Expected Results

Search results include the calendar that was created and migrated via CCMA

Actual Results

The calendar does not show up in search results

Workaround

Contact Atlassian support to apply fixes for previously migrated calendars.