<!-- Add the related story/sub-task/bug number, like Resolves#123, or
remove if NA -->
**Related issue:** Resolves nothing, just something I found.
# Checklist for submitter
If some of the following don't apply, delete the relevant line.
- [ ] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
See [Changes
files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/guides/committing-changes.md#changes-files)
for more information. (None, as editing profiles is only just released)
- [x] Input data is properly validated, `SELECT *` is avoided, SQL
injection is prevented (using placeholders for values in statements), JS
inline code is prevented especially for url redirects, and untrusted
data interpolated into shell scripts/commands is validated against shell
metacharacters.
- [x] Timeouts are implemented and retries are limited to avoid infinite
loops
- [x] If paths of existing endpoints are modified without backwards
compatibility, checked the frontend/CLI for any necessary changes
## Testing
- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually
TO test upload a DDM profile referencing an asset, then try to edit that
profile with identical DDM contents and see mysql error, this PR fixes
that.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
* **Bug Fixes**
* Improved Apple device management declaration updates to preserve the
existing declaration identity.
* Correctly synchronizes linked asset references when declarations are
updated, including removing outdated references and clearing all
references when none remain.
* **Tests**
* Added coverage for creating, preserving, updating, removing, and
clearing declaration asset references.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->