<!-- Add the related story/sub-task/bug number, like Resolves#123, or
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**Related issue:** Resolves#35138
Fixes edit title icon for in-house app activity to use correct filename
and self-service flag.
# Checklist for submitter
If some of the following don't apply, delete the relevant line.
## Testing
- [x] Added/updated automated tests
- [ ] Where appropriate, [automated tests simulate multiple hosts and
test for host
isolation](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/reference/patterns-backend.md#unit-testing)
(updates to one hosts's records do not affect another)
- [x] QA'd all new/changed functionality manually
For unreleased bug fixes in a release candidate, one of:
- [ ] Confirmed that the fix is not expected to adversely impact load
test results
- [ ] Alerted the release DRI if additional load testing is needed
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