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fix(hydration): a write before a rejected fragment's chunks recovers the hydrated Errored fallback (#4588) (#4594)

A rejected fragment's fresh render adopted the server's answers by id but
opened no snapshot scope, so a reader created there read the client's
newer input, latched, and adopted the server's answer for the old one. It
never re-asked. The pass now opens the boundary owner's snapshot scope and
releases it when the pass ends, as a claimed resume does (D8, #4273).


Claude-Session: https://claude.ai/code/session_0117BoWNSSgtemsSYsaX2hXE

Co-authored-by: Claude <noreply@anthropic.com>

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