Fix error admin

Resources/views/crud/field/gallery.html.twig

 {# @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 matches '/^\\d+$/' %}
     <span class="badge badge-secondary">{{ field.formattedValue }}</span>
 {% else %}

Resources/views/crud/field/image.html.twig

 {# @var field \EasyCorp\Bundle\EasyAdminBundle\Dto\FieldDto #}
 {# @var entity \EasyCorp\Bundle\EasyAdminBundle\Dto\EntityDto #}
 {% set html_id = 'ea-lightbox-' ~ field.uniqueId %}
-{% if field.value is not null %}
+{% if field.value is not null and field.value.path is not null %}
 <a href="#" class="ea-lightbox-thumbnail" title="{{ field.value.legend }}" data-featherlight="#{{ html_id }}" data-featherlight-close-on-click="anywhere">
     <img src="{{ asset(field.value.path) }}" class="img-fluid">
 </a>