Bug: devtools "select an element in the page to inspect it" does not work for ShadowRoot

[Jack-Works]

React version: unrelated

Steps To Reproduce

Link to code example: https://codesandbox.io/s/epic-sammet-hmdq7c?file=/src/index.js

The current behavior

Cannot hover to inspect element inside ShadowRoot

The expected behavior

Works well.

[hoxyq]

Fixed by #26888.