kde launcher won't open with high or extreme focus stealing prevention

When "Focus stealing prevention" is set to either "High" or "Extreme", clicking on the "Application Launcher" doesn't open it.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: systemsettings 4:5.18.4.1-0ubuntu1
ProcVersionSignature: Ubuntu 5.11.0-34.36~20.04.1-generic 5.11.22
Uname: Linux 5.11.0-34-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.20
Architecture: amd64
CasperMD5CheckResult: skip
Date: Tue Sep 21 11:47:55 2021
InstallationDate: Installed on 2021-08-03 (48 days ago)
InstallationMedia: Kubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1)
ProcEnviron:
 LC_TIME=en_DK.utf8
 TERM=screen
 PATH=(custom, no user)
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: systemsettings
UpgradeStatus: No upgrade log present (probably fresh install)