Add application search for Paste status

Summary: Fixes T9076. This adds the ability to search for active, archived, or all Pastes.

Test Plan: Search for active, archived, all Pastes.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T9076

Differential Revision: https://secure.phabricator.com/D13809