[FIX] portal_sale: access rights: sale.shop was removed at cf6595b

Fixes error in forward-port b9275da
[MERGE] Forward-port of saas-3 up to 303d2e0
[MERGE] Forward-port of saas-4 up to 65b6b81
[MERGE] Forward-port of saas-5 up to 6189c44