Update form_js.html.twig

Author: loostro

Resources/views/Form/form_js.html.twig

@@ -126,7 +126,7 @@
                     {% else %}
                     "url": "{{ image_asset(item, 'file') }}",
                     {% endif %}
-                    {% if item.preview and previewFilter and item.size < loadImageMaxFileSize and image_asset(item, 'file') is not empty %}
+                    {% if item.preview and previewFilter and item.size < loadImageMaxFileSize %}
                         "thumbnail_url": "{{ image_asset(item, 'file')|image_filter(previewFilter) }}",
                     {% elseif item.preview and item.size < loadImageMaxFileSize %}
                         "thumbnail_url": "{{ image_asset(item, 'file') }}",