5d30b1b4fb
Summary:
Highlight thumb for image user is currently viewing.
Highlight selection when user mouseovers it's inline(on side).
Test Plan: {F33990}
Reviewers: epriestley
Reviewed By: epriestley
CC: aran, Korvin
Maniphest Tasks: T2446
Differential Revision: https://secure.phabricator.com/D5134