## PR 1/2 for #32037
- Implements update for the Linux setup experience from the IT admin's
point of view. Updates for the end-user ("My device" page) to follow
- Works in concert with the new endpoints implemented in
https://github.com/fleetdm/fleet/pull/32493
- Splits Controls > Setup experience > Install software into 3 tabbed
sections, one for each of macOS, Windows (placeholder state for now, to
be implemented in following iteration), and Linux.
- Dynamically calls new GET and PUT endpoints and routes data
accordingly depending on which platform software for install is being
updated for.
- Update the software selection modal to display software package
versions, including the package type (deb, rpm, or tar) for Linux
software packges.
- New activity feed item
- Update relevant tests

_Note that the lower-right-hand image in this GIF is outdated and will
be updated with new content once this entire feature is integrated_
~- [ ] Changes file added for user-visible changes in `changes/`~ will
include in PR 2/2
- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually
- [x] Verified that any relevant UI is disabled when GitOps mode is
enabled
---------
Co-authored-by: Jacob Shandling <jacob@fleetdm.com>
For #[26070](https://github.com/fleetdm/fleet/issues/26070)
This adds the UI for enabling a manual agent install for a bootstrap
package. This includes:
**The new form option for enabling manual agent install of a bootstrap
package**

**disabling adding install software and run script options when user has
enabled manual agent install**


**improvements to the setup experience content styling. I've created a
`SetupExperienceContentContainer` component to centralise the styles for
the content of these sub sections.**
**updates to the preview sections copy and replacing the gifs with
videos**
- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
- [ ] Added/updated automated tests
- [x] Manual QA for all new/changed functionality
---------
Co-authored-by: Sarah Gillespie <73313222+gillespi314@users.noreply.github.com>