## Issue
Closes#42655
## Description
- Will need cherry-pick into 4.84.0 RC
- Whackamole issue that popped up when changing the overflow
- Ensured DOM/z-index has no issues + dropdown options are scrollable
## Testing
- [x] QA'd all new/changed functionality manually
ub.com/fleetdm/fleet/blob/main/docs/Contributing/workflows/fleetd-development-and-release-strategy.md))
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
## Release Notes
* **Bug Fixes**
* Improved dropdown menu usability by enabling scrollable lists with
consistent height constraints, preventing menus from extending
excessively.
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Co-authored-by: Rachel Perkins <rachel@Rachels-MacBook-Pro.local>
