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**Related issue:** Resolves#47364
Unreleased bug for 4.87
- [x] QA'd all new/changed functionality manually
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## Summary by CodeRabbit
* **Bug Fixes**
* Enhanced validation to detect and prevent conflicting OS update
configurations when both managed updates and custom configuration
profiles attempt to manage OS updates.
* **Tests**
* Added automated tests covering detection of conflicts between managed
OS updates and configuration profile contents for macOS/iOS and Windows.
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Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>