Bringout Submenu extension - gnome-shell-extension
This readme is for GNOME v45 and v46
Install
git clone https://github.com/PRATAP-KUMAR/bring-out-submenu-of-power-off-logout.git
cd bring-out-submenu-of-power-off-logout
./script.sh --install
Uninstall
./script.sh --uninstall