primary sku photo working with janky toggle workaround but w/e lol

src/Model/Entity/ProductPhoto.php

@@ -17,6 +17,7 @@ use Cake\ORM\Entity;
  * @property string $photo_filename
  * @property bool $primary_photo
  * @property bool $primary_category_photo
+ * @property bool $primary_sku_photo
  * @property int $photo_position
  * @property bool $enabled
  * @property DateTime $created
@@ -46,6 +47,7 @@ class ProductPhoto extends Entity
         'photo_filename' => true,
         'primary_photo' => true,
         'primary_category_photo' => true,
+        'primary_sku_photo' => true,
         'photo_position' => true,
         'enabled' => true,
         'created' => true,