Request opening in collection's tree is broken while searching or double-clicking

Can you take a screenshot of that and share it, please.

I can’t see what you can see in your Postman instance, I could have a different structure to Collection, use a different filter term, use the global search and not the sidebar filter because you mentioned Search and a number of other things that I could do differently.

Windows 10 has a built in Snipping Tool for this:

Is what you’re seeing similar to this?