Add exit menu option on non-macOS
Add exit menu option on non-macOS

desktop/desktop,shiftkey/desktop,BugTesterTest/desktops,artivilla/desktop,j-f1/forked-desktop,shiftkey/desktop,j-f1/forked-desktop,say25/desktop,kactus-io/kactus,BugTesterTest/desktops,gengjiawen/desktop,hjobrien/desktop,BugTesterTest/desktops,say25/desktop,j-f1/forked-desktop,j-f1/forked-desktop,desktop/desktop,say25/desktop,hjobrien/desktop,artivilla/desktop,say25/desktop,shiftkey/desktop,artivilla/desktop,BugTesterTest/desktops,desktop/desktop,hjobrien/desktop,hjobrien/desktop,gengjiawen/desktop,gengjiawen/desktop,kactus-io/kactus,desktop/desktop,kactus-io/kactus,shiftkey/desktop,kactus-io/kactus,artivilla/desktop,gengjiawen/desktop