collapse a node and trigger render, the clicked node will disappear

[sunlho]

To Reproduce Steps to reproduce the behavior: Click the button with node id 4 to collapse the node with id 5 Click on any node to trigger render The node with id 4 disappears

Expected behavior A node with id 4 does not disappear

stackblitz-demo

[bumbeishvili]

Interesting, thanks for bringing that out and providing a sample