Did you installed the package: libreoffice-gtk3
sudo apt install libreoffice-gtk3 on a Librem 11 and Librem 5 it should help with context menus, and possibly other menus.
Did you installed the package: libreoffice-gtk3
sudo apt install libreoffice-gtk3 on a Librem 11 and Librem 5 it should help with context menus, and possibly other menus.