Summary: When merging tasks, the corresponding transaction on the merged task should be black, and the transaction on the ultimate task should be green.
Test Plan: Create two tasks, merge one into the other, merged task transaction is black, the surviving task should show a green transaction.
Reviewers: epriestley, #blessed_reviewers
Reviewed By: epriestley, #blessed_reviewers
Subscribers: chad, Korvin, epriestley
Maniphest Tasks: T6500
Differential Revision: https://secure.phabricator.com/D10827
95df7717c3