Bug 7317: use preventDefault to prevent the scrollbar to move to the top

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>

koha-tmpl/intranet-tmpl/prog/en/modules/ill/ill-requests.tt

@@ -196,7 +196,8 @@
         }
 
         // Toggle request attributes in Illview
-        $('#toggle_requestattributes').click(function() {
+        $('#toggle_requestattributes').on('click', function(e) {
+            e.preventDefault();
             $('#requestattributes').toggleClass('content_hidden');
         });