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
Control control = display.getFocusControl();
		Object partObj = null;
		while (control != null && !(partObj instanceof MPart<?>)) {
			partObj = control.getData(AbstractPartRenderer.OWNING_ME);
			control = control.getParent();
		}
		if (partObj == null) {
			return context;
		}
		
		MPart<?> part = (MPart<?>) partObj;
		return getContext(part);
	}
	private IEclipseContext getContext(MPart<?> part) {
		IEclipseContext c = null;
		while (c == null && part != null) {
			c = part.getContext();
			part = part.getParent();
		}
		return c;
	}
	protected boolean canExecuteItem(Display display) {
		final ParameterizedCommand parmCmd = model.getWbCommand();
		if (parmCmd == null) {
			return false;
		}
		IEclipseContext context = getFocusContext(display);
		EHandlerService hs = (EHandlerService) context
				.get(EHandlerService.class.getName());
		if (hs == null) {