[FIX] website_mail: mail.message.check_access_rule: no check for super-user
[FIX] sale_stock: product_id_change_with_wh should not call another method (product_id_change) using super, but self. Otherwise some overrides are lost, leading to issues with event-related products.
[FIX] survey: regressions introduced in forward-port fd4fd35e3239c771ab9d692f47f61770ae882965