Wildfly 18 has been released on October 3rd 2019. We should rebase ovirt-engine-wildfly on it. Release notes are available here: https://wildfly.org/news/2019/10/03/WildFly18-Final-Released/
Package available form ovirt repostotry: https://resources.ovirt.org/pub/ovirt-master-snapshot/rpm/fc30/x86_64/ovirt-engine-wildfly-18.0.1-1.fc30.x86_64.rpm
This bugzilla is included in oVirt 4.4.0 release, published on May 20th 2020. Since the problem described in this bug report should be resolved in oVirt 4.4.0 release, it has been closed with a resolution of CURRENT RELEASE. If the solution does not work for you, please open a new bug report.