Use brilliant workaround to show Windows 10 top border

Sine Striker

2023-12-24 46285db399f75154ad6c451e12f2cae2e59ace25

 src/core/CMakeLists.txt

@@ -33,7 +33,7 @@
    )
endif()

if(QWINDOWKIT_FORCE_QT_WINDOW_CONTEXT)
if(QWINDOWKIT_ENABLE_QT_WINDOW_CONTEXT)
    list(APPEND _src
        contexts/qtwindowcontext_p.h
        contexts/qtwindowcontext.cpp