Fix comparison typo

Summary: The useDomainAdminAccess and transferOwnership PermissionModifyJob parameters weren't being applied correctly due to an error in the comparison with the request default value (extra negation).

Reviewers: dvratil

Reviewed By: dvratil

Subscribers: LibKGAPI, kde-pim

Tags: KDE PIM, LibKGAPI

Differential Revision: https://phabricator.kde.org/D24310