[FIX] point_of_sale: create only one picking when validating order (if the option is activated)

closes odoo/odoo#70154

Signed-off-by: pimodoo <pimodoo@users.noreply.github.com>

addons/point_of_sale/models/pos_order.py

@@ -138,8 +138,8 @@ class PosOrder(models.Model):
                 raise
             except Exception as e:
                 _logger.error('Could not fully process the POS Order: %s', tools.ustr(e))
+            pos_order._create_order_picking()
 
-        pos_order._create_order_picking()
         if pos_order.to_invoice and pos_order.state == 'paid':
             pos_order.action_pos_order_invoice()