message: style(TreeSelect): change checked icon to success icon
diff: @@ -110,7 +110,7 @@ function TreeSelect(
  >
  {item.text}
  {isActiveItem(item.id) && (
  - <Icon name="checked" class={bem('selected')} />
  + <Icon name="success" class={bem('selected')} />
  )}
  </div>
  ));
  