2f4ff6a850
Summary: Fixes T12508. Files don't have an `editPolicy`, and we started actually checking that the keys are real things in D17616. Test Plan: - Before patch: created a paste, got an "editPolicy" exception. - After patch: created a paste that worked properly. Reviewers: avivey, chad Reviewed By: avivey Maniphest Tasks: T12508 Differential Revision: https://secure.phabricator.com/D17628