Bug 283178 [Compatibility] Make actionSets visible/invisible
Model elements generated from actionSets should be grouped so they can be made visible/invisible. PW
bundles/org.eclipse.e4.ui.workbench.renderers.swt/src/org/eclipse/e4/workbench/ui/renderers/swt/SWTPartFactory.java
@Override
	public void childRemoved(MPart<?> parentElement, MPart<?> child) {
		super.childRemoved(parentElement, child);
		if (child.getWidget() instanceof Control) {
			Control ctrl = (Control) child.getWidget();
			locallyHide(ctrl);
		}
	}
	private Control getOutermost(Control ctrl) {
		
		
		Composite curComposite = ctrl.getParent();
		Control outerMost = ctrl;
		while (curComposite != null
				&& curComposite.getData(PartFactory.OWNING_ME) == null
				&& !(curComposite instanceof Shell)) {
			outerMost = curComposite;
			curComposite = curComposite.getParent();
		}
		return outerMost;
	}
	/**
	 * Restore an existing control to the UI by reparenting it (from 'limbo')
	 * under its new owner
	 * 
	 * @param parent
	 *            The composite to place the control under
	 * @param ctrl
	 *            The control to be restored
	 */