Cant set up Keyboard layout switching shortcut to windows default alt+shift

[Jānis Kangarooo]

Cant set up Keyboard layout switching shortcut to windows default alt+shift
If default is some letter then it can be on each keyboard in different button since keyboards are different.

https://superuser.com/questions/141558/using-kubuntu-how-can-i-setup-a-keyboard-shortcut-to-change-the-current-languag?rq=1

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: systemsettings 4:5.18.4.1-0ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: KDE
Date: Sat Jun 6 16:35:09 2020
InstallationDate: Installed on 2020-03-10 (88 days ago)
InstallationMedia: Kubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200310)
SourcePackage: systemsettings
UpgradeStatus: No upgrade log present (probably fresh install)