button for collapsing tree view

Hello, I need a simple way to close all tree view in overview, studio and design view. And if possible, an auto-close (deactivatable) when you click on a node in the live view.

Thx!

+1,000,000,000

+11111111111111 Been asked for a bunch of times over the past couple years .... hopefully we're going to start seeing some of the requests in this next update.