## Issue
- First batch of @iansltx 's work of cleaning up lint warnings #43387
## Description
- Quick PR review and grabbed as many confirmed low-risk quick wins as I
could `git checkout lint-cleanup <file/path/1> <file/path/2>`
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
## Release Notes
This release contains internal code improvements with one minor UI
tweak:
* **Style**
* Dropdown menu background color adjusted for clearer contrast in action
lists
* **Refactor**
* Improved type safety across the codebase with stricter TypeScript
annotations
* Removed unused imports and constants to reduce code clutter
* Enhanced React hook dependency arrays for more consistent component
behavior
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
---------
Co-authored-by: Rachel Perkins <rachel@Rachels-MacBook-Pro.local>
Co-authored-by: Ian Littman <iansltx@gmail.com>
- **Gitops specify FMA rollback version (#39582)**
- **Fleet UI: Show versions options for FMA installers (#39583)**
- **rollback: DB and core implementation (#39650)**
<!-- Add the related story/sub-task/bug number, like Resolves#123, or
remove if NA -->
**Related issue:** Resolves#31919
# Checklist for submitter
If some of the following don't apply, delete the relevant line.
- [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.
- [x] Input data is properly validated, `SELECT *` is avoided, SQL
injection is prevented (using placeholders for values in statements)
## Testing
- [x] Added/updated automated tests
- [x] Where appropriate, [automated tests simulate multiple hosts and
test for host
isolation](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/reference/patterns-backend.md#unit-testing)
(updates to one hosts's records do not affect another)
- [x] QA'd all new/changed functionality manually
---------
Co-authored-by: Jonathan Katz <44128041+jkatz01@users.noreply.github.com>
Co-authored-by: RachelElysia <71795832+RachelElysia@users.noreply.github.com>
Co-authored-by: Carlo DiCelico <carlo@fleetdm.com>