Add "Right click -> Expand (or Collapse) whole section (or all)" to table view in UEFITool (NE) GUI

[cyrozap]

Having to expand each item individually is kind of a pain, especially for deeply-nested structures. My current workaround is to use keyboard navigation to speed the process up, but that's still rather tedious. I suppose I could also use UEFIExtract to dump the UEFI to a file tree, and then use traditional CLI utilities like find and grep to find what I'm looking for, but being able to stay in the GUI when I'm just exploring would make things easier for me.

Ideally, I'd like to be able to right click and expand (or collapse) an entire tree, or all trees. For example, Okular has a feature like this that I like: