feat(catalog): add group_order field to catalog items and update related logic

app/Domains/Catalog/Models/CatalogItem.php

@@ -27,6 +27,7 @@ use Illuminate\Support\Collection;
     'type',
     'slug',
     'nombre',
+    'group_order',
     'descripcion',
     'precio',
     'inventory_policy',
@@ -47,6 +48,7 @@ class CatalogItem extends Model
         'inventory_policy' => InventoryPolicy::Tracked->value,
         'inventory_subject' => InventorySubject::Product->value,
         'has_tickets' => false,
+        'group_order' => 0,
     ];
 
     protected function casts(): array
@@ -56,6 +58,7 @@ class CatalogItem extends Model
             'brand_id' => 'integer',
             'inventory_id' => 'integer',
             'type' => CatalogItemType::class,
+            'group_order' => 'integer',
             'precio' => 'decimal:2',
             'inventory_policy' => InventoryPolicy::class,
             'inventory_subject' => InventorySubject::class,