Bug 316246 Clean up code should not only run on IPresentationEngine.stop()
This results in the fact the clean up code in there is not run.
bundles/org.eclipse.e4.ui.workbench.swt/src/org/eclipse/e4/ui/internal/workbench/swt/PartRenderingEngine.java
return limbo;
	}
	/**
	 * @param element
	 */
	public void removeGui(MUIElement element) {
		
		
		final MWindow win = modelService.getTopLevelWindowFor(element);
		if (win != element) {
			
			unhookReferences(element, win.getContext());
		} else {
			
			List<MUIElement> seList = win.getSharedElements();
			for (MUIElement se : seList) {
				if (se.getWidget() instanceof Control) {
					Control ctrl = (Control) se.getWidget();
					ctrl.dispose();
				}
			}
		}
		MUIElement parent = element.getParent();
		AbstractPartRenderer parentRenderer = parent != null ? getRendererFor(parent)
				: null;
		if (parentRenderer != null) {
			parentRenderer.hideChild(element.getParent(), element);
		}
		AbstractPartRenderer renderer = getRendererFor(element);
		if (renderer != null) {