fix: migrate treeland output protocol v1 to v2 - #1729

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Include file: <QtWaylandClient/QWaylandClientExtension> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <QPointer> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <QObject> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: "qwayland-treeland-output-manager-unstable-v2.h" not found.

Include file: "treelandoutputuuid.h" not found.

The function 'treeland_output_picture_control_v2_result' is never used.

The function 'treeland_output_picture_control_v2_brightness' is never used.

Include file: <QScreen> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: <QGuiApplication> not found. Please note: Cppcheck does not need standard library headers to get proper results.

Include file: "wayland-treeland-output-manager-unstable-v2-client-protocol.h" not found.