Sort asset entity reference selection by asset ID descending.

modules/farm/farm_fields/farm_fields.features.field_base.inc

@@ -33,7 +33,9 @@ function farm_fields_field_default_field_bases() {
           ),
         ),
         'sort' => array(
-          'type' => 'none',
+          'direction' => 'DESC',
+          'property' => 'id',
+          'type' => 'property',
         ),
         'target_bundles' => array(),
       ),