message: Fix textarea change handling
diff: @@ -23,14 +23,17 @@ export default class Textarea extends Component {
  };
  onChange = (e) => {
  this.setState({ value: e.target.value });
  + if (this.props.onChange) {
  + this.props.onChange(e);
  + }
  }
  render () {
  return (
  <textarea
  className={baseClassNames}
  - onChange={this.onChange}
  - value={this.state.value}
  {...removeObjectKeys(this.props, ['initialValue'])}
  + value={this.state.value}
  + onChange={this.onChange}
  />
  );
  }
  