Bug 36456 Type heirarchy show final class icon only on double click [type hierarchy]
When opening a type heirarchy, the icons for the heirarchy do not show final classes (ie. the little 'F' in the icon). When the icon is double clicked to open the class, the icon changes.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
fPartListener= new IPartListener2() {
			public void partVisible(IWorkbenchPartReference ref) {
				IWorkbenchPart part= ref.getPart(false);
				if (part == TypeHierarchyViewPart.this) {
					visibilityChanged(true);
				}
			}
			public void partHidden(IWorkbenchPartReference ref) {
				IWorkbenchPart part= ref.getPart(false);
				if (part == TypeHierarchyViewPart.this) {
					visibilityChanged(false);
				}
			}
			public void partActivated(IWorkbenchPartReference ref) {
				IWorkbenchPart part= ref.getPart(false);
				if (part instanceof IEditorPart)
					editorActivated((IEditorPart) part);
			}
		 	public void partInputChanged(IWorkbenchPartReference ref) {
				IWorkbenchPart part= ref.getPart(false);
				if (part instanceof IEditorPart)
					editorActivated((IEditorPart) part);
		 	};
			public void partBroughtToTop(IWorkbenchPartReference ref) {}
			public void partClosed(IWorkbenchPartReference ref) {}
			public void partDeactivated(IWorkbenchPartReference ref) {}
			public void partOpened(IWorkbenchPartReference ref) {}
		};
		
		fSelectionChangedListener= new ISelectionChangedListener() {