[imp] add default packaging to sale order patch product

nfu_sale_order_packaging/models/__init__.py

@@ -1 +1,2 @@
 from . import sale_order_line
+from . import sale_order_batch_product

nfu_sale_order_packaging/models/sale_order_batch_product.py

@@ -0,0 +1,15 @@
+from odoo import api, models
+
+
+class SaleOrderBatchProduct(models.Model):
+    _inherit = "sale.order.batch.product"
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+
+            if vals.get("product_id") and not vals.get("product_packaging_id"):
+                product_id = vals.get("product_id")
+                packaging = self.env["product.packaging"].search([("product_id", "=", product_id)], limit=1)
+                vals["product_packaging_id"] = packaging.id
+        return super().create(vals_list)