VerticalMenuView 'focusItemAtTop' property, and selection by node ID on WFC

* Add new property to change how focus items are handed in VM
* Select node by node iD (key press) on WFC

core/menu_view.js

@@ -226,6 +226,10 @@ MenuView.prototype.setFocusItemIndex = function(index) {
     this.focusedItemIndex = index;
 };
 
+MenuView.prototype.getFocusItemIndex = function() {
+    return this.focusedItemIndex;
+};
+
 MenuView.prototype.onKeyPress = function(ch, key) {
     const itemIndex = this.getHotKeyItemIndex(ch);
     if(itemIndex >= 0) {