Grants review system next steps

[marcoacierno]

Merging #3681 as we need to start reviewing, but moving the tasks left as an issue:

### Tasks
- [ ] Ability to create a review session with a subset of items (e.g. only of items with status waiting_list)
- [ ] Ability to name a review session
- [ ] Unit-tests for the draft object permissions system
- [ ] Unit-tests for the review system