R1:3ba3745d6747

Switch Maniphest to modern ApplicationTransaction rendering

Summary: Ref T2217. Route transaction rendering through modern code. This just affects the detail page. Some rough edges but nothing significant.

Test Plan: See screenshot.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2217

Differential Revision: https://secure.phabricator.com/D7070