Uses latest update timestamp to determine whether Muut commenting should default to on for an old post.
Uses latest update timestamp to determine whether Muut commenting should default to on for an old post.

Signed-off-by: Paul Hughes <a027184a55211cd23e3f3094f1fdc728df5e0500@paulalexanderhughes.com>

ishan576/wordpress-plugin,muut/wordpress-plugin,ishan576/wordpress-plugin,muut/wordpress-plugin