[QT] qt.qpa.input: X-less xkbcommon not available, not performing key mapping

錯誤：

qt.qpa.input: X-less xkbcommon not available, not performing key mapping

解法：

環境變數加入
export QT_QPA_EGLFS_NO_LIBINPUT=1

Reference :
[1] https://github.com/carlonluca/pot/issues/54