bug 10356: improve display of serial issue dates in staff bib details page

This patch adds the date published to the subscriptions tab in the staff
interface bib display and renames the former "Date" column to
"Date arrived".

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Jonathan Druart <jonathan.druart@biblibre.com>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>