R1:939008e64c26

Correct an issue where Maniphest's awful legacy "reports" UI was extra broken on merges

Summary:
See PHI66. See that issue for context. This UI is bad broken legacy junk, but was especially broken when reporting merges.

These do not currently generate a "status" transaction, so they were never counted as task closures. Pretend they're normal closures.

This is still wrong, but should be much closer to the real numbers. Specifically, if you merge a closed task into another task, it will incorrectly be…