Bug 33173: Save and continue button in standard cataloging module broken

To test:
1 - Edit a record in the standard editor
2 - Click on to tab 2
3 - Click 'Save and continue'
4 - Error: tab is not defined
5 - Apply patch
6 - Reload page and try again
7 - Fixed!

Signed-off-by: Laura Escamilla <laura.escamilla@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 35e117fb91)
Signed-off-by: Matt Blenkinsop <matt.blenkinsop@ptfs-europe.com>
(cherry picked from commit b0d758cf2d)
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit dcf364beba)
Signed-off-by: Arthur Suzuki <arthur.suzuki@biblibre.com>

koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/addbiblio.tt

@@ -119,8 +119,7 @@
         });
         $("#saveandcontinue").click(function(){
             $(".btn-group").removeClass("open");
-            var tab = $("#addbibliotabs li.ui-tabs-active:first a").attr('href');
-            tab = tab.replace('#', '');
+            var tab = $("#addbibliotabs div.active:first").attr('id');
             $("#current_tab").val(tab);
             redirect("just_save", tab);
             return false;