add default id

Author: michael-rubel

src/Traits/WithModelMapping.php

@@ -22,7 +22,7 @@ public function mapModelAttributes(?Model $model = null): void
 
             $ignores = is_array($toIgnore)
                 ? $toIgnore
-                : [];
+                : ['id'];
 
             collect($model->getAttributes())
                 ->except($ignores)