Bug 23611: Add export option to authorized values administration

Bug 23611: Add export option to authorized values administration

This patch changes the authorized values DataTables configuration to add
export options.

To test apply the patch and go to Administration -> Authorized values.

Test the "Export" button and confirm that the data is exported correctly
with each option.

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>