Bug 30708: Add missing action buttons for non-table view

Bug 30708: Add missing action buttons for non-table view

If items with different processings are in a train, there is only the "edit" action button.
It's missing "Remove" and "Copy".

Sponsored-by: BULAC - http://www.bulac.fr/
Signed-off-by: BULAC - http://www.bulac.fr/
Signed-off-by: Heather Hernandez <heather_hernandez@nps.gov>
Signed-off-by: Laurence Rault <laurence.rault@biblibre.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>