89f0015ae6
Summary: Fixes T11764. Moves rendering of the column to client-side, which can skip if it detects we're on mobile. Test Plan: Open column on desktop, switch to mobile, don't see column. Toggle column on mobile on and off. Switch back to desktop. Reviewers: epriestley Reviewed By: epriestley Subscribers: Korvin Maniphest Tasks: T11764 Differential Revision: https://secure.phabricator.com/D16725