setDefaultMenuBar bug

Main.java

package org.example;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.KeyEvent;

public class Main extends JFrame {

    public Main() {
        var fixed = false;

        if (fixed) {
            System.setProperty("apple.laf.useScreenMenuBar", "true");
        }

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(300, 300);

        JMenuBar menuBar = new JMenuBar();

        if (fixed) {
            setJMenuBar(menuBar);
        } else {
            Desktop.getDesktop().setDefaultMenuBar(menuBar);
        }

        JMenu menu = new JMenu("Test");
        menuBar.add(menu);

        var action = new DeleteAction();
        menu.add(action);

        setVisible(true);
    }

    public static void main(String[] args) {
        new Main();
    }

    static class DeleteAction extends AbstractAction {
        public DeleteAction() {
            putValue(Action.NAME, "Delete");
            var keystroke = KeyStroke.getKeyStroke(
                KeyEvent.VK_BACK_SPACE,
                Toolkit.getDefaultToolkit().getMenuShortcutKeyMaskEx()
            );
            putValue(Action.ACCELERATOR_KEY, keystroke);
        }

        @Override
        public void actionPerformed(ActionEvent e) {
            System.out.println("Delete pressed");
        }
    }
}