Add QtContext WinIdChange workaround

Sine Striker

2023-12-18 d3d7430ec9afb94abaf78fa2c9edd9d9f946881c

 examples/mainwindow/dark-style.qss

@@ -16,6 +16,7 @@
    border: none;
    color: #ECECEC;
    background-color: transparent;
    min-height: 28px;
}