Bug 11204: make pendingreserves use datatables.inc

A JS error occurs on the pending reserves (holds to pull) page:

ReferenceError: CONFIG_EXCLUDE_ARTICLES_FROM_SORT is not defined
if(CONFIG_EXCLUDE_ARTICLES_FROM_SORT){

Test plan:
Apply the patch and verify the error does not appear anymore.

Signed-off-by: Brendan Gallagher <brendan@bywatersolutions.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>