feat: services kit and copy

models/secondary.py

@@ -103,7 +103,7 @@ class DealProduct(BaseModel):
                             primaryjoin="and_(DealProductService.deal_id == DealProduct.deal_id, "
                                         "DealProductService.product_id == DealProduct.product_id)",
                             foreign_keys=[DealProductService.deal_id, DealProductService.product_id],
-                            lazy='joined',
+                            lazy='selectin',
                             order_by="desc(DealProductService.service_id)"
                             )
 
@@ -114,3 +114,4 @@ barcode_template_attribute_link = Table(
     Column('barcode_template_id', ForeignKey('barcode_templates.id')),
     Column('attribute_id', ForeignKey('barcode_template_attributes.id'))
 )
+