Should we avoid JFXPanel recreation, when Platform.setImplicitExit(false), to avoid JavaFX resource leakage

Question

Currently, I'm integrating JavaFX into Swing.

I need to use Platform.setImplicitExit(false), due to JavaFX IllegalStateException when disposing JFXPanel in Swing

public class MainFrame extends javax.swing.JFrame {
    private void formWindowClosed(java.awt.event.WindowEvent evt) {
        Platform.exit();
    }

    public static void main(String args[]) {
        Platform.setImplicitExit(false);
    }
}

I was wondering, should I avoid recreating JFXPanel then, every-times I want to show the JDialog which owns the JFXPanel? To avoid possible JavaFX resource leakage, should I use

public class SimpleSwingBrowser extends JDialog { 
    // Avoid JFXPanel re-creation.
    private static final JFXPanel jfxPanel = new JFXPanel();
}

or

public class SimpleSwingBrowser extends JDialog { 
    private final JFXPanel jfxPanel = new JFXPanel();
}