Summary:
Changelog: [Internal]
I think this started to break when https://github.com/facebook/react/pull/25441 was synced to RN. Before, `closestInstance` would only be non-null under Fabric, after it could be non-null in both. And we were using `closestInstance` to determine which data to send to `selectNode` in devtools. This diff makes a change to call `selectNode` once for non-fabric and once for fabric, one of them would not send anything to devtools frontend, this would make sure it works for both platforms.
Reviewed By: mondaychen
Differential Revision: D41366466
fbshipit-source-id: fcf30d03e443f6fa067782cd31b7cfd2e0cd841e
Tianyu YaoandFacebook GitHub Bot
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