R1:c63d92be72f0

Fix project feed layout

Summary: This was clobbered when we added calendar feed to profiles, not projects.

Test Plan: Browse Project on desktop and mobile, re-check profile.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin, chad

Differential Revision: https://secure.phabricator.com/D8617