message: this is a combobox, HOME/END should pertain to the input, not selection
diff: @@ -221,16 +221,6 @@ export default class Dropdown extends React.Component {
  highlightedOption: this._prevOption(this.state.highlightedOption),
  });
  break;
  - case Key.HOME:
  - this.setState({
  - highlightedOption: this._firstOption(),
  - });
  - break;
  - case Key.END:
  - this.setState({
  - highlightedOption: this._lastOption(),
  - });
  - break;
  }
  }
  @@ -278,16 +268,6 @@ export default class Dropdown extends React.Component {
  return keys[(index - 1) % keys.length];
  }
  - _firstOption() {
  - const keys = Object.keys(this.childrenByKey);
  - return keys[0];
  - }
  -
  - _lastOption() {
  - const keys = Object.keys(this.childrenByKey);
  - return keys[keys.length - 1];
  - }
  -
  _scrollIntoView(node) {
  if (node) {
  node.scrollIntoView({
  