fix the user ui, create delivery order, delivery customer dashboard

app/Models/PackingList.php

@@ -36,6 +36,14 @@ class PackingList extends AbstractModel implements Transportable, Steppable, Pac
         return $this->morphTo();
     }
 
+    /**
+     * @return MorphMany
+     */
+    public function addons(): morphMany
+    {
+        return $this->morphMany(Addon::class, 'owner');
+    }
+
     public function containers(): BelongsToMany
     {
         return $this->BelongsToMany(Container::class, ContainerPackingList::class);