fix theme notify

Zhao Yuhang

2023-12-23 02d1cd1ec0f544335ca1b31546737868a675439f

 examples/mainwindow/mainwindow.h

@@ -28,6 +28,7 @@

private:
    void installWindowAgent();
    void installStyleAgent();
    void loadStyleSheet(Theme theme);

    Theme currentTheme{};