edit.js in spree_backend-3.2.0.rc1

- old
+ new

@@ -14,11 +14,12 @@
 
   if ($("#customer_search").length > 0) {
     $("#customer_search").select2({
       placeholder: Spree.translations.choose_a_customer,
       ajax: {
-        url: Spree.routes.user_search,
+        url: Spree.routes.users_api,
         datatype: 'json',
+        cache: true,
         data: function(term, page) {
           return {
             q: term,
             token: Spree.api_key
           }