**Related issue:** Resolves#37972
This also fixes the sort order of fleets for flee-level users.
# Checklist for submitter
- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
## Testing
- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually
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## Summary by CodeRabbit
* **New Features**
* Updated the user menu to show the correct settings sections based on
account type and access level, with clearer separation between sections.
* **Bug Fixes**
* Fixed fleet sorting for fleet-level users.
* Corrected top navigation behavior so the menu only shows
role/tier-appropriate items.
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