Bug 263090 [legacy] Load the model with commands and handlers
The legacy fragment should be able to load the commands model with commands and the handlers model with handlers. PW
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/workbench/ui/renderers/swt/ContributedPartFactory.java
public Object createWidget(final MPart<?> part) {
		Widget parentWidget = getParentWidget(part);
		IEclipseContext parentContext = getContextForParent(part);
		Widget newWidget = null;
		if (part instanceof MContributedPart<?>) {
			final Composite newComposite = new Composite(
					(Composite) parentWidget, SWT.NONE);
			newWidget = newComposite;
			bindWidget(part, newWidget);
			final MContributedPart<?> contributedPart = (MContributedPart<?>) part;