6bf4ec97d5
Summary: Fixes T5651. Sometime we'll send an object to the notification server for `subscribers`, which it will choke on. Use `array_values()` to make sure we're sending an array.
Test Plan: With `(object)` instead, got a consistent error ("no .filter method on object"). With `array_values()`, no error.
Reviewers: joshuaspence
Reviewed By: joshuaspence
Subscribers: epriestley
Maniphest Tasks: T5651
Differential Revision: https://secure.phabricator.com/D9963