from get_self_service_objects to
self_service_ownership_scope

¬(A∨B∨C)=¬A∧¬B∧¬C

return nil if miq_group.nil? || !miq_group.self_service? || !(klass < OwnershipMixin)

to

return unless !(miq_group.nil? || !miq_group.self_service? || !(klass < OwnershipMixin))

to

return unless !miq_group.nil? && !!miq_group.self_service? && !!(klass < OwnershipMixin)

to

return unless miq_group.present? && miq_group.self_service? && klass < OwnershipMixin

to(add to method)

return nil unless self_service_ownership_scope?(miq_group, klass)