6dbd2e6cc47c83c44836f6a43cc1569112b46bb0

Fix odd spacing with the 'Cancel' button and add a small margin above the 'Cancel' and Action buttons to make the dialog more visually appealing. One example of this dialog is available with the Cherry Pick To button on a change page. Change-Id: If89a500401a646de9b1a367b41fb9af94acf1413
Description
RETIRED, Gerrit as used by OpenStack