How to switch between Wayland and Xorg without the cogwheel at login?

[vgaetera (Vladislav Grigoryev)]

busctl call org.freedesktop.Accounts /org/freedesktop/Accounts/User${UID} \
    org.freedesktop.Accounts.User SetSession s "gnome"

busctl call org.freedesktop.Accounts /org/freedesktop/Accounts/User${UID} \
    org.freedesktop.Accounts.User SetSession s "gnome-xorg"