I found a workaround/solution by enabling X for SDDM:
sudo dnf install xorg-x11-server-Xorg
sudo mkdir -p /etc/sddm.conf.d
echo '[General]' | sudo tee /etc/sddm.conf.d/x11.conf
echo 'DisplayServer=x11' | sudo tee -a /etc/sddm.conf.d/x11.conf
sudo reboot
Now it works like Debian13.