Fixes T8702. Needed to teach these controls how to serialize / unserialize themselves in that they are storing two values (policy phid + space phid) nowadays
- Maniphest Tasks
- T8702: PhabricatorApplicationTransactionValidationException when trying to create a new repository
- Restricted Diffusion Commit
rP12b966f44e51: Spaces + Diffusion - make creating a new repository work again
made a new repo successfully with policy as described in T8702. Also edited policy successfully.