Bug 305389 EclipsePartService: Add getInputParts(String inputUri): Collection
Add support for the new InputPart-Type with Input-URI
bundles/org.eclipse.e4.ui.workbench/src/org/eclipse/e4/workbench/ui/internal/PartServiceImpl.java
private EventHandler selectedHandler = new EventHandler() {
		public void handleEvent(Event event) {
			Object oldSelected = event.getProperty(UIEvents.EventTags.OLD_VALUE);
			Object selected = event.getProperty(UIEvents.EventTags.NEW_VALUE);
			MPart oldSelectedPart = oldSelected instanceof MPart ? (MPart) oldSelected : null;
			MPart selectedPart = selected instanceof MPart ? (MPart) selected : null;