message: fix(button): Explicitly set button type after we changed default
diff: @@ -75,6 +75,7 @@ export default class IconButtonToggleGroup extends React.Component<IconButtonTog
  return React.cloneElement(child, {
  toggled,
  + buttonType: IconButton.Types.SquareFilled,
  onClick: this.onButtonClick.bind(this, childProps.onClick, index),
  });
  }
  