Bug 22693: ILL "Price paid" column does not appear in column configuration

Test Plan:
 - Navigate to ILL requests page from the main menu after setting up your ILL backend.
 - Observe that Price Paid column does not exist either here nor in the column configuration.
 - Apply patch
 - Observe that Price Paid column now appears in ILL requests table and in the column configuration page.

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit c5abf57f5a)
Signed-off-by: Pedro Amorim <pedro.amorim@ptfs-europe.com>
(cherry picked from commit fff5619e48)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit ecb970b059)
Signed-off-by: Arthur Suzuki <arthur.suzuki@biblibre.com>

admin/columns_settings.yml

@@ -675,6 +675,8 @@ modules:
               columnname: accessurl
             -
               columnname: cost
+            -
+              columnname: price_paid
             -
               columnname: comments
             -

koha-tmpl/intranet-tmpl/prog/en/includes/ill-list-table.inc

@@ -29,6 +29,7 @@
                 <th scope="col" class="completed_formatted">Completed on</th>
                 <th scope="col">Access URL</th>
                 <th scope="col">Cost</th>
+                <th scope="col">Price paid</th>
                 <th scope="col">Comments</th>
                 <th scope="col">OPAC notes</th>
                 <th scope="col">Staff notes</th>