React: Fix fast refresh socket connection error #14165
Merged
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Issue: #14114
What I did
Updated the ReactFastRefreshPlugin config per experiments with @ndelangen @mrmckeb
self-merging @tooppaaa
How to test
Untested. What we did by hand:
'ws://localhost:3085/_content/ws' failed: Error during WebSocket handshake: Unexpected response code: 404