add themechange notify on win

Zhao Yuhang

2023-12-22 61cb997e4e9ebf50bcff835841fbd1ecc9499e49

 src/core/style/styleagent.cpp

@@ -10,9 +10,6 @@

    StyleAgentPrivate::~StyleAgentPrivate() = default;

    void StyleAgentPrivate::init() {
    }

    void StyleAgentPrivate::notifyThemeChanged(StyleAgent::SystemTheme theme) {
        if (theme == systemTheme)
            return;