Fix double feed stories in Phame
Ref T9360. Fixes the double-rendering of post bodies in feed stories.
Downside is that 'publish' (on its own) no longer shows a body, but that seems fine.
- Got some double bodies.
- Applied patch.
- No more double bodies.
Reviewed By: chad
Maniphest Tasks: T9360
Differential Revision: https://secure.phabricator.com/D14748