allow qml demo choose special effect

Yuhang Zhao

2023-12-28 68c8cc026233e9694579ce38b8daa25008477d18

 src/core/contexts/cocoawindowcontext_p.h

@@ -31,7 +31,7 @@
    protected:
        WId windowId = 0;

        std::unique_ptr<QObject> cocoaWindowEventFilter;
        std::unique_ptr<SharedEventFilter> cocoaWindowEventFilter;
    };

}