Add a typehaead filter to tokenizer browse views

Summary: Ref T5750. This adds a search filter which filters results (kind of: a lot of datasources don't do a great job with this right now -- but the correct data is sent to the server).

Test Plan: {F372313}

Reviewers: btrahan, chad

Reviewed By: chad

Subscribers: epriestley

Maniphest Tasks: T5750

Differential Revision: https://secure.phabricator.com/D12426