[BUGIX] Follow up: Apply API change in DataTables

In change If564b1797a81ce63730ebf2601cc62058940493c, DataTables was
updated to the latest version.
The interal API has changed, the property name for sorting was
renamed in the new version.

Resolves: #63500
Related: #63479
Releases: master
Change-Id: Ica273c34fa79dae7ef1341ac0b04c0ce623d5a6d
Reviewed-on: http://review.typo3.org/34904
Reviewed-by: Alexander Opitz <opitz.alexander@googlemail.com>
Tested-by: Alexander Opitz <opitz.alexander@googlemail.com>
Reviewed-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Tested-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>