Legion Quick Menu 1.4.80

Added display layout controls: Duplicate, Extend, internal-only, and external-only.
Improved external resolution/refresh switching and Duplicate detection.
Cached display information to reduce background work and keep menus responsive.
Added touch scrolling and expanded custom program shortcuts from six to eight.
Improved program launching, foreground permission, and touch-keyboard compatibility.
Brightness now saves to both plugged-in and battery settings.
Corrected XInput/DInput switching and improved controller-lighting reliability.
Improved menu dismissal responsiveness and reduced unnecessary background work.