R1:dd0b09a610b3

Make "Quote" work with EditEngine in Paste and Maniphest

Summary: Ref T9132. This makes the "Quote" action on comments work properly in these applications.

Test Plan: Quoted text in each application.

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T9132

Differential Revision: https://secure.phabricator.com/D14665