Grandchild component disappears after parent re-renders.

[linnea]

Version

2.5.2

Reproduction link

https://jsfiddle.net/linnea/8euf1geo/1/

Steps to reproduce

On the JSFiddle, wait for the setTimeout on L19 to finish. When the parent's label is set to false, the component re-renders but loses the content of the grandchild.

What is expected?

For the GrandChild content to still be in the DOM.

What is actually happening?

GrandChild disappears after component in the parent re-renders.

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Was expecting this bug to be fixed with this issue:
#6372

Not sure if it's the same or just a similar issue!

[stasson]

Looks about same issue as #6891