Bug 283876 Menu items don't show keybindings
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/workbench/ui/renderers/swt/HandledContributionItem.java
}
	private void handleWidgetDispose(Event event) {
		if (event.widget == widget) {
			widget.removeListener(SWT.Selection, getItemListener());
			widget.removeListener(SWT.Dispose, getItemListener());
			widget = null;
			disposeOldImages();
		}
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.action.ContributionItem#dispose()
	 */
	@Override
	public void dispose() {
		if (widget != null) {
			widget.dispose();
			widget = null;
		}
	}
	private void handleWidgetSelection(Event event) {
		if (widget != null && !widget.isDisposed()) {
			if (canExecuteItem(widget.getDisplay())) {
				executeItem(widget.getDisplay());
			}
		}
	}
	private IEclipseContext getFocusContext(Display display) {