org.jboss.tools.jst.css.dialog.widgets.ImageCombo has incorrect logik with Image dispose

public void add(String string, Image image) {
...
        if (image != null) {
            newItem.setImage(image);                                     <----------- here you get image if it not null
        }

        newItem.addDisposeListener(new DisposeListener() {
                public void widgetDisposed(DisposeEvent e) {
                    TableItem item = (TableItem) e.getSource();
                    item.getImage().dispose();                            <----------- here you dispose image in any case
                }
            });
...