message: frontend: Add propTypes for Dropdown
diff: @@ -112,6 +112,17 @@ export class Dropdown extends DropdownMixin {
  }
  }
  +Dropdown.propTypes = {
  + autocompleteFilter: React.PropTypes.func,
  + autocompletePlaceholder: React.PropTypes.string,
  + className: React.PropTypes.string,
  + items: React.PropTypes.object.isRequired,
  + menuClassName: React.PropTypes.string,
  + noButton: React.PropTypes.bool,
  + noSelection: React.PropTypes.bool,
  + title: React.PropTypes.node,
  +};
  +
  export const sortActions = actions => _.sortBy(actions, a => [a.weight || 0, a.label]);
  export const ActionsMenu = ({actions}) => {
  