feat: expanded ACPI support, initial support for S3 sleep

programs/include/gui/desktop.hpp

@@ -99,6 +99,7 @@ struct DesktopState {
     SvgIcon icon_settings;
     SvgIcon icon_reboot;
     SvgIcon icon_shutdown;
+    SvgIcon icon_sleep;
     SvgIcon icon_logout;
 
     SvgIcon icon_procmgr;