Summary:
Ref T8498. Allow ApplicationEmail addresses to be put into spaces:
- You can only see and send to addresses in Spaces you have access to.
- Objects are created into the same space their address is associated with.
Test Plan:
- Used `bin/mail receive-test` to send mail to various `xyz-bugs@...` addresses.
- Saw objects created in the proper space.
Reviewers: btrahan
Reviewed By: btrahan
Subscribers: epriestley
Maniphest Tasks: T8498
Differential Revision: https://secure.phabricator.com/D13247
