{% for result in results %}
  <li>
    <button type="button" onclick="backofficeComboboxSelect('combobox-{{ field_name }}', '{{ result.pk }}', '{{ result|escapejs }}')">
      {{ result }}
    </button>
  </li>
{% empty %}
  <li><span class="opacity-50 px-2 py-1">Sin resultados</span></li>
{% endfor %}