R1:72edd36c7a06

Fix an issue with recurrence rules being set improperly in transaction code

Summary: Fixes T11745. I just missed this while juggling some of the internal storage.

Test Plan: Created a new event with recurrence behavior.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T11745

Differential Revision: https://secure.phabricator.com/D16684