message: [SQL Lab] Copy to clipboard should work on the preview tab too
diff: @@ -117,6 +117,10 @@ export default class ResultSet extends React.PureComponent {
  }
  renderControls() {
  if (this.props.search || this.props.visualize || this.props.csv) {
  + let data = this.props.query.results.data;
  + if (this.props.cache && this.props.query.cached) {
  + data = this.state.data;
  + }
  return (
  <div className="ResultSetControls">
  <div className="clearfix">
  @@ -134,7 +138,7 @@ export default class ResultSet extends React.PureComponent {
  </Button>}
  <CopyToClipboard
  - text={prepareCopyToClipboardTabularData(this.props.query.results.data)}
  + text={prepareCopyToClipboardTabularData(data)}
  wrapped={false}
  copyNode={
  <Button bsSize="small">
  