Resolves#48886.
- [X] 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.
## Testing
- [X] Added/updated automated tests
- [x] QA'd all new/changed functionality manually
## Database migrations
- [X] Checked schema for all modified table for columns that will
auto-update timestamps during migration.
- [X] Confirmed that updating the timestamps is acceptable, and will not
cause unwanted side effects.
- [X] Ensured the correct collation is explicitly set for character
columns (`COLLATE utf8mb4_unicode_ci`).
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **New Features**
* Added support for nested groups in Entra IDP vitals.
* SCIM groups can now include child groups and resolve membership across
multiple levels.
* Host filters and group-based access now account for inherited group
memberships.
* Added validation and duplicate prevention for nested group membership
updates.
* **Bug Fixes**
* Corrected membership updates and removals to keep nested group
relationships synchronized.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->