#18063
Fixing potential server panic when events are created with calendar
integration, but then global calendar integration is disabled.
Could not do a PR directly from
[fleet-v4.48.0](https://github.com/fleetdm/fleet/releases/tag/fleet-v4.48.0)
due to merge conflicts.
# Checklist for submitter
- [x] Changes file added for user-visible changes in `changes/` or
`orbit/changes/`.
See [Changes
files](https://fleetdm.com/docs/contributing/committing-changes#changes-files)
for more information.
- [ ] Added/updated tests
- [x] Manual QA for all new/changed functionality
Victor Lyuboslavsky
f476ddcfd6