message: Add id for commbobox select
diff: @@ -476,7 +476,7 @@ const Select = createClass({
  getInputElement() {
  const props = this.props;
  - const inputElement = props.getInputElement ? props.getInputElement() : <input />;
  + const inputElement = props.getInputElement ? props.getInputElement() : <input id={props.id} />;
  const inputCls = classnames(inputElement.props.className, {
  [`${props.prefixCls}-search__field`]: true,
  });
  