small fix for users groups choose dialog

rhodecode/templates/admin/users_groups/users_group_edit.html

@@ -121,12 +121,12 b''
             }
             
             //clear 'selected' select
-            c.options.length = 0;
+            //c.options.length = 0;
 
             //fill it with remembered options
-            for(var i = 0;node = cache[i];i++){
-                c.options[i]=new Option(node.text, node.value, false, false);
-            }
+            //for(var i = 0;node = cache[i];i++){
+            //   c.options[i]=new Option(node.text, node.value, false, false);
+            //}
             
            
             //get all available options to cache