This apparently made it into 19.10 beta1, my UEFI booted 19.04 beta1 VM (running on VirtualBox 6.0.12, Ubuntu 18.04.3 / Linux 5.3 host) reported a duplicate.
This apparently made it into 19.10 beta1, my UEFI booted 19.04 beta1 VM (running on VirtualBox 6.0.12, Ubuntu 18.04.3 / Linux 5.3 host) reported a duplicate.