[Redesign] Update Conduit UI
Summary: Ref T8099, Updates the Conduit UI for the Redesign.
Test Plan: Bop through conduit, add application headers, fix icon colors.
Reviewers: btrahan, epriestley
Reviewed By: epriestley
Subscribers: Korvin, epriestley
Maniphest Tasks: T8341, T8099
Differential Revision: https://secure.phabricator.com/D13049