[13.0][FIX]Custom values when update the config

product_configurator_sale/wizard/product_configurator.py

@@ -1,4 +1,4 @@
-from odoo import fields, models
+from odoo import fields, models, api
 
 
 class ProductConfiguratorSale(models.TransientModel):
@@ -53,3 +53,25 @@ def action_config_done(self):
         else:
             self.order_id.write({"order_line": [(0, 0, values)]})
         return
+
+    @api.model
+    def create(self, vals):
+        if self.env.context.get('default_order_line_id', False):
+            sale_line = self.env["sale.order.line"].browse(
+                self.env.context['default_order_line_id'])
+            if sale_line.custom_value_ids:
+                vals['custom_value_ids'] = self._get_custom_values(
+                    sale_line.config_session_id)
+        res = super(ProductConfiguratorSale, self).create(vals)
+        return res
+
+    def _get_custom_values(self, session):
+        custom_values = [(5,)] + [(0, 0, {
+            'attribute_id': value_custom.attribute_id.id,
+            'value': value_custom.value,
+            'attachment_ids': [(4, attach.id)
+                               for attach in value_custom.attachment_ids],
+        }) for value_custom in session.custom_value_ids]
+        return custom_values
+
+