[plasma-dialer] CMake recommendation to launch with KWin version 5.26
In case of building above lockscreen mode (shell overlay) support Contributes to: https://invent.kde.org/plasma-mobile/plasma-dialer/-/ issues/66
In case of building above lockscreen mode (shell overlay) support Contributes to: https://invent.kde.org/plasma-mobile/plasma-dialer/-/ issues/66