Add non-system-border option on Windows

Sine Striker

2023-12-22 c837319767bb609c6ec806336e49a347c77b11d3

 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