[Flight] Add failing test to reproduce issue with Object.freeze
#29129
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Here's a failing test that demonstrates the issue as reported by @eps1lon in #29032 (comment).
react/packages/react-client/src/ReactFlightClient.js
Line 644 in 3f1436c
When the props object is frozen, the Flight Client's model resolver can't mutate the parent object (i.e. the props) anymore, after the client component that was referenced in the props has been loaded.
react/packages/react-client/src/ReactFlightClient.js
Line 701 in 3f1436c