Bug 28764: Alter sort dropdown to use direction parameter

Bug 28764: Alter sort dropdown to use direction parameter

This code is odd -we build a select in the template, then turn it into a list of links using javascript
This patch adds a direction data element and uses it while building the links

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
(cherry picked from commit 0d2208b9f155dd56a53073f9e674973931351de4)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>