Fix top border & misc tweaks (#167)

Yuhang Zhao

2025-03-04 1d08c8b1144a62887a2b73903eef4129dc9be207

 src/core/CMakeLists.txt

@@ -6,6 +6,7 @@
set(_src
    qwkglobal.h
    qwkglobal_p.h
    qwkglobal.cpp
    windowagentbase.h
    windowagentbase_p.h
    windowagentbase.cpp