relates to #13308
Implements the UI for the activity item for script ran, and the script
details modal.
NOTE: Still have to do API integration and will do when API is ready in
another PR.
- [x] Changes file added for user-visible changes in `changes/` or
`orbit/changes/`.
See [Changes
files](https://fleetdm.com/docs/contributing/committing-changes#changes-files)
for more information.
- [ ] Added/updated tests
- [x] Manual QA for all new/changed functionality
