Fix top border & misc tweaks (#167)

Yuhang Zhao

2025-03-04 1d08c8b1144a62887a2b73903eef4129dc9be207

 src/core/contexts/cocoawindowcontext_p.h

@@ -30,13 +30,11 @@
        QVariant windowAttribute(const QString &key) const override;

    protected:
        void winIdChanged() override;
        void winIdChanged(WId winId, WId oldWinId) override;
        bool windowAttributeChanged(const QString &key, const QVariant &attribute,
                                    const QVariant &oldAttribute) override;

    protected:
        WId windowId = 0;

        std::unique_ptr<SharedEventFilter> cocoaWindowEventFilter;
    };