macOS: QToolbar Separator color is incorrect in Dark Mode

    case PE_IndicatorToolBarSeparator: {
            QPainterPath path;
            if (opt->state & State_Horizontal) {
                int xpoint = opt->rect.center().x();
                path.moveTo(xpoint + 0.5, opt->rect.top() + 1);
                path.lineTo(xpoint + 0.5, opt->rect.bottom());
            } else {
                int ypoint = opt->rect.center().y();
                path.moveTo(opt->rect.left() + 2 , ypoint + 0.5);
                path.lineTo(opt->rect.right() + 1, ypoint + 0.5);
            }
            QPainterPathStroker theStroker;
            theStroker.setCapStyle(Qt::FlatCap);
            theStroker.setDashPattern(QVector<qreal>() << 1 << 2);
            path = theStroker.createStroke(path);
            p->fillPath(path, QColor(0, 0, 0, 119));
        }