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
private void locallyShow(Composite parent, Control ctrl) {
		
		
		Control toReparent = getOutermost(ctrl);
		
		if (toReparent.getParent() != parent) {
			toReparent.setParent(parent);
			parent.layout(true);
		}
	}
	/**
	 * If a model element containing a widget is removed from its parent we have
	 * to remove the control immediately from its parent's structure (to get the
	 * layout correct) so we'll place it in 'limbo' (an invisible shell).
	 * 
	 * @param ctrl
	 */
	private void locallyHide(Control ctrl) {
		if (limbo == null) {
			limbo = new Shell(ctrl.getShell(), SWT.NONE);
			limbo.setVisible(false);
		}
		
		
		Control toReparent = getOutermost(ctrl);
		Composite curParent = toReparent.getParent();
		toReparent.setParent(limbo);
		curParent.layout(true);
	}
	/*