R1:b28b2b8ab87c

Use typeahead for tab panel selection

Summary: Fixes T11449. Feels.... magical? Probably a more efficient way of doing this, but only 6 tabs so...

Test Plan: Create a tab panel in old UI. Edit panel in new UI. Create a panel in new UI, edit panel in new UI.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T11449

Differential Revision: https://secure.phabricator.com/D17355