message: pass inputRef as ref prop in MaskedInput to avoid errors
  see
diff: @@ -12,10 +12,11 @@ export default class Input extends PureComponent {
  }
  render() {
  + const { inputRef, ...props } = this.props;
  return (
  this.props.mask
  - ? <MaskedInput {...this.props} />
  - : <input {...this.props} />
  + ? <MaskedInput {...props} ref={inputRef} />
  + : <input {...props} ref={inputRef} />
  );
  }
  }
  