Related to JBPM-9317.

For wildfly/EAP/Tomcat containers, JACCIdentityProvider must support contextUsers, and return them first at getName method for avoiding permission denied exception during saveContext operation after a deadline notification.

23:55:56,148 ERROR [stderr] (EJB default - 1) org.jbpm.services.task.exception.PermissionDeniedException: User 'null' does not have permissions to execute operation 'Modify' on task id 1