{#
/**
 * @file
 * Theme override for an image field widget.
 *
 * Available variables:
 * - attributes: HTML attributes for the containing element.
 * - data: Render elements of the image widget.
 *
 * @see \Drupal\image\Hook\ImageThemeHooks::preprocessImageWidget()
 */
#}
<div{{ attributes }}>
  {{ data.preview }}
  {# Render widget data without the image preview that was output already. #}
  {{ data|without('preview') }}
</div>