[Redesign] Update Search UI

Summary: Ref T8099, adds a little excitement to searching for things... with fire!

Test Plan: Search for items, easier to locate searched copy.

Reviewers: btrahan, epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T8099

Differential Revision: https://secure.phabricator.com/D13082