[BUGFIX] Recycler: Respect configurable pagingSize

The paging size was hardcoded to the value of "20" in the JavaScript.
The setting ``pagingSize``, holding the value defined by the controller
is now used instead.

Change-Id: Ief80070ca72b3f7b7bbcfcb803d088c35ef06709
Resolves: #72653
Releases: master, 7.6
Reviewed-on: https://review.typo3.org/45841


Reviewed-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Tested-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>