message: Fix bugs where roles are not sorted in dropdown in create role binding page
  Note this fix also adds the sort to the namespace dropdown.
  Fixes
diff: @@ -266,6 +266,7 @@ class ListDropdown_ extends React.Component {
  render () {
  const {desc, fixed, placeholder, id, loaded} = this.props;
  const items = {};
  + const sortedItems = _.keys(this.state.items).sort();
  _.each(this.state.items, (v, key) => items[key] = <ResourceName kind={v.kindLabel} name={v.name} />);
  @@ -273,7 +274,7 @@ class ListDropdown_ extends React.Component {
  const Component = fixed
  ? items[selectedKey]
  - : <Dropdown autocompleteFilter={this.autocompleteFilter} autocompletePlaceholder={placeholder} items={items}
  + : <Dropdown autocompleteFilter={this.autocompleteFilter} autocompletePlaceholder={placeholder} items={items} sortedItemKeys={sortedItems}
  selectedKey={selectedKey} title={this.state.title} onChange={this.onChange} id={id} />;
  return <div>
  