Summary: Allow clicking once to copy a created API token to be used in some external application anyway, instead of having to click into the text field and copy its value. This is a one-liner change thanks to rP265e44e7. Closes T16518 Test Plan: 1. `./bin/config set phabricator.show-prototypes true` 2. Install/enable http://phorge.localhost/applications/view/PhabricatorOAuthServerApplication/ 3. Go to http://phorge.localhost/oauthserver/ and create an Auth Server 4. Go to http://phorge.localhost/oauthserver/client/view/1 5. Select "Generate Test Token" 6. Click "Authorize Application" 7. See a Copy button next to the "Token" text field; hover over it, click it, paste, etc Reviewers: O1 Blessed Committers, valerio.bozzolan Reviewed By: O1 Blessed Committers, valerio.bozzolan Subscribers: tobiaswiese, valerio.bozzolan, Matthew, Cigaryno Maniphest Tasks: T16518 Differential Revision: https://we.phorge.it/D26792