relates to #22575
Add the UI for allowing custom profiles to be uploaded to hosts that
have any of specified labels. I also spent some time cleaning up the
custom settings card and its components. I was able to remove a lot of
unused styles.

<!-- Note that API documentation changes are now addressed by the
product design team. -->
- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
- [ ] Added/updated tests
- [x] Manual QA for all new/changed functionality
for #14715
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Co-authored-by: Martin Angers <martin.n.angers@gmail.com>
Co-authored-by: Sarah Gillespie <73313222+gillespi314@users.noreply.github.com>
Co-authored-by: Jahziel Villasana-Espinoza <jahziel@fleetdm.com>