[FIX] website_sale_loyalty: prevent TypeError

The try-except ensures `reward_id` is either an `int` or `None`, calling
`int` on it again doesn't do anything but risk throwing a `TypeError` if
`reward_id` was set to `None`.

closes odoo/odoo#143256

X-original-commit: fed6c4499b1a32aaeb8e7aeb1d89b3a27a8f8c73
Signed-off-by: Antoine Vandevenne (anv) <anv@odoo.com>
Signed-off-by: Levi Siuzdak <sile@odoo.com>

addons/website_sale_loyalty/controllers/main.py

@@ -81,7 +81,7 @@ class WebsiteSale(main.WebsiteSale):
         except ValueError:
             reward_id = None
 
-        reward_sudo = request.env['loyalty.reward'].sudo().browse(int(reward_id)).exists()
+        reward_sudo = request.env['loyalty.reward'].sudo().browse(reward_id).exists()
         if not reward_sudo or reward_sudo.multi_product:
             return request.redirect(redirect)