Replacing root node loses Editable Children data
Created by: volzhs
Operating system or device:
Windows 10
Issue description (what happened, and what was expected):
Replacing the tree root node loses Editable Children data.
Steps to reproduce:
![replace_node](data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==)
Link to minimal example project (optional but very welcome):