{% load widget_tweaks %}

<form id="user-select" action="" method="get">
  {% for hidden_field in form.hidden_fields %}
    {{ hidden_field }}
  {% endfor %}
  <div class="form-group">
    <div class="d-flex">
      {% render_field form.user class+="form-select" ld-auto-submit="" %}
      <noscript>
        <button type="submit" class="btn btn-link ml-2">Apply</button>
      </noscript>
    </div>
  </div>
</form>
