Switching "High Contrast" on and off, doesn't revert to the previous GTK+ theme

[nomike]

I used to use the "Adwaita-dark" GTK+ theme.
I now opened gnome settings and enabled the "High Contrast" option in the Accessibility settings.

This changed the theme to "HighContrast" as expected.

When I disabled the "High Contrast" option though, the theme was set to "Adwaita".

I can switch back and forth between "HighContrast" and "Adwaita" now, but I

There doesn't seem to be an option in gnome-settings to change the theme, so I'm stuck with this now.

I tried changing the theme in gnome-tweaks, but this only allows me to set the theme for legacy apps.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gnome-control-center 1:41.4-1ubuntu13
ProcVersionSignature: Ubuntu 5.15.0-27.28-generic 5.15.30
Uname: Linux 5.15.0-27-generic x86_64
ApportVersion: 2.20.11-0ubuntu82
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: GNOME
Date: Sun May 8 02:36:45 2022
ExecutablePath: /usr/bin/gnome-control-center
InstallationDate: Installed on 2019-11-25 (894 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to jammy on 2022-05-08 (0 days ago)