SW-10468 - fixed newsletter preview, testmail and acl
SW-10468 - fixed newsletter preview, testmail and acl

This reverts commit c07aab34afab7de3464ac0d74697531c398f1800.

FiveDigital/shopware,FiveDigital/shopware,FiveDigital/shopware,FiveDigital/shopware,FiveDigital/shopware