message: Appease the linter
  This looks awkward, but should pass.
diff: @@ -140,9 +140,8 @@ export default class Field extends React.PureComponent {
  render() {
  const {
  - element, prefix, onValidate, children, tooltipContent,
  - flagInvalid, ...inputProps,
  - } = this.props;
  + element, prefix, onValidate, children, tooltipContent, flagInvalid,
  + ...inputProps} = this.props;
  const inputElement = element || "input";
  