relates to #14418
This fixes an issue where the team dropdown would change when a host
that was on a team is selected.
We fixed this by passing the host team into the host actions dropdown
component instead of changing the global current team context attribute.
- [x] Changes file added for user-visible changes in `changes/` or
`orbit/changes/`.
- [x] Added/updated tests
- [x] Manual QA for all new/changed functionality