SovBundle/Resources/views/adminlte/crud/field/collection.html.twig

{# @var ea \EasyCorp\Bundle\EasyAdminBundle\Context\AdminContext #}
{# @var field \EasyCorp\Bundle\EasyAdminBundle\Dto\FieldDto #}
{# @var entity \EasyCorp\Bundle\EasyAdminBundle\Dto\EntityDto #}
{# this is a bit ugly, but Twig doesn't have a 'is numeric' test #}
{% if field.formattedValue is iterable %}
    {% for item in field.formattedValue %}
        <span class="badge badge-secondary">{{ item }}</span>
    {% endfor %}
{% else %}
    {{ field.formattedValue }}
{% endif %}