Reverts the revert of !1 (merged) and initializes $other_assignee
to avoid blowing up when there aren't multiple assignees on the workboard.
Bug: T329974 Bug: T332234
Reverts the revert of !1 (merged) and initializes $other_assignee
to avoid blowing up when there aren't multiple assignees on the workboard.
Bug: T329974 Bug: T332234