[FIX] stock_account: prevent AttributeError on clicking valuation button

Steps to reproduce
==================
- Create purchase order and confirm it.
- Receive the product and validate the done quantities.
- Click on valuation button. It will raise traceback

Error caused by commit: https://github.com/odoo/odoo/commit/a080337d7e8bf515018d9cfb7996461adf717224

closes odoo/odoo#122886

Signed-off-by: Tiffany Chang <tic@odoo.com>

addons/stock_account/models/stock_picking.py

@@ -14,7 +14,7 @@ class StockPicking(models.Model):
     def action_view_stock_valuation_layers(self):
         self.ensure_one()
         scraps = self.env['stock.scrap'].search([('picking_id', '=', self.id)])
-        domain = [('id', 'in', (self.move_ids + scraps.move_id).stock_valuation_layer_ids.ids)]
+        domain = [('id', 'in', (self.move_ids + scraps.move_ids).stock_valuation_layer_ids.ids)]
         action = self.env["ir.actions.actions"]._for_xml_id("stock_account.stock_valuation_layer_action")
         context = literal_eval(action['context'])
         context.update(self.env.context)