message: Fix not autoSelecting first item in dropdown
  Fixes
diff: @@ -115,7 +115,7 @@ export default class Dropdown extends React.Component {
  componentWillReceiveProps(nextProps) {
  this._reindexChildren(nextProps.children);
  - const firstChild = React.Children.toArray(nextProps.children)[0];
  + const firstChild = nextProps.children[0];
  this.setState({
  highlightedOption: firstChild ? firstChild.key : null,
  });
  