feat: system settings stored as applets in virtual folder

programs/src/desktop/compose.cpp

@@ -233,6 +233,8 @@ void gui::desktop_compose(DesktopState* ds) {
         if (cmx + CTX_MENU_W > sw) cmx = sw - CTX_MENU_W;
         if (cmy + cmh > sh) cmy = sh - cmh;
 
+        ensure_filemanager_icons_loaded(ds);
+
         draw_shadow(fb, cmx, cmy, CTX_MENU_W, cmh, 4, colors::SHADOW);
         fill_rounded_rect(fb, cmx, cmy, CTX_MENU_W, cmh, 8, colors::MENU_BG);
         draw_rect(fb, cmx, cmy, CTX_MENU_W, cmh, colors::BORDER);
@@ -241,7 +243,7 @@ void gui::desktop_compose(DesktopState* ds) {
         CtxItem ctx_items[CTX_ITEM_COUNT] = {
             { "Terminal", &ds->icon_terminal },
             { "Files",    &ds->icon_filemanager },
-            { "About",    &ds->icon_settings },
+            { "System Configuration", &ds->icon_system_tools_menu },
             { "Sleep",    &ds->icon_sleep },
             { "Reboot",   &ds->icon_reboot },
             { "Shutdown", &ds->icon_shutdown },