Bug 21381: (follow-up) Fix table configuration for new column

Bug 21381: (follow-up) Fix table configuration for new column

The new column was added to the table settings configuration.

To test:
* Make sure the column shows up in the columns menu of the table
  in the staff interface.
* Verify it can be hidden/unhidden correctly using the menu
  or the table setings.

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
https://bugs.koha-community.org/show_bug.cgi?id=31881