fix theme notify

Zhao Yuhang

2023-12-23 02d1cd1ec0f544335ca1b31546737868a675439f

 src/core/style/styleagent_win.cpp

@@ -55,10 +55,7 @@
                    }
                }();
                for (auto &&ap : std::as_const(*g_styleAgentSet())) {
                    if (ap->systemTheme != theme) {
                        ap->systemTheme = theme;
                        ap->notifyThemeChanged(theme);
                    }
                    ap->notifyThemeChanged(theme);
                }
            }