app: fixed wrong class assignment in pagination bar

js/erp5_loader.js

@@ -2779,12 +2779,12 @@
    **/
   // TODO: make this a real widget with methods!
   factory.util.paginationBar = function (spec) {
-    var n, option, props, option_list, class_list, config, len, opts, pointer;
+    var n, option, props, option_list, config, len, opts, pointer;
 
     option_list = [{"value": "", "text": "", "text_i18n": ""}];
     opts = spec.option_list || [];
     props = spec.slot ? {"slot": spec.slot} : {};
-    class_list = spec.class_list || "";
+    props.class_list = spec.class_list || "";
 
     for (n = 0, len = opts.length; n < len; n += 1) {
       option = opts[n];
@@ -2798,7 +2798,6 @@
     config = {
       "generate": "widget",
       "type": "controlbar",
-      "class_list": class_list,
       "property_dict": props,
       "children": [{
         "generate": "widget",