R1:44c9a94abe97

Make conduit certificate readonly and select-on-click

Summary: See comments in <https://secure.phabricator.com/D6331#comment-3> -- make the Conduit Token and Conduit Certificate interfaces readonly and select-on-click.

Test Plan:
- Viewed `/conduit/token/`, verified it was readonly and selected on click.
- Viewed `/settings/panel/conduit/`, likewise.

Reviewers: Avish, btrahan, wotte

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D7819