Behavior of RIGHT ARROW when it is pressed
- when the selection is on a parent node that is collapsed, it opens the node (works fine)
- when the selection is on a parent node that is expanded, it should move selection to its first child (does not work)
- when the selection is on a parent node that is collapsed, it opens the node (works fine)
- when the selection is on a parent node that is expanded, it should move selection to its first child (does not work)