fix v12 port introduced bug : do pass lines of order to shelf label printing…

fix v12 port introduced bug : do pass lines of order to shelf label printing method otherwise nothing happens

reception/models.py

@@ -203,7 +203,7 @@ class CagetteReception(models.Model):
                 self.o_api.update('product.product', to_reset, {'to_print': 0})
                     
     def update_products_price_v12(self):
-        result = {'success': False}
+        result = {'success': False, 'lines': Order(self.id).get_lines()['lines']}
         try:
             result['success'] = self.o_api.execute('purchase.order', 'update_po_price_to_vendor_price', [self.id])
         except Exception as e: