Show selected node in Scene tree when parent node is folded
Created by: volzhs
Operating system or device - Godot version: Godot 2.2 alpha with current master head (d5c6806e16c5d809c749b999ae91ae22dc25348e)
Issue description (what happened, and what was expected): It's hard to find selected node in Scene tree dock if it's folded. It would be better ancestor nodes are unfolded automatically if selected node is in folded ancestor.