Time zone field has no entries

[Sean]

Description: Ubuntu Hirsute Hippo (development branch)
Release: 21.04
ubiquity:
  Installed: 21.04.13
  Candidate: 21.04.13
KVM/Qemu 2048MiB mem, IDE 20Gib

* Steps to produce:
Start the Kubuntu installation, continue to "Where are you?" screen in ubiquity. Select a region.

* Result:
Time Zone drop down menu does not have any entries.

* Expected Result:
A list of cities is displayed in the Time Zone field based on region.

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: ubiquity (not installed)
ProcVersionSignature: Ubuntu 5.11.0-13.14-generic 5.11.7
Uname: Linux 5.11.0-13-generic x86_64
ApportVersion: 2.20.11-0ubuntu61
Architecture: amd64
CurrentDesktop: KDE
Date: Sun Apr 4 16:35:09 2021
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/kubuntu.seed maybe-ubiquity quiet splash ---
InstallationDate: Installed on 2021-04-04 (0 days ago)
InstallationMedia: Kubuntu 21.04 "Hirsute Hippo" - Beta amd64 (20210403)
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)