Fix cluster defect restart replay

[mikearnaldi]

Summary

• preserve durable active requests when the old entity server is closed during defect restart
• serialize defect restarts and skip genuinely completed replay entries
• add regression coverage for defect restart with another active request

Testing

• pnpm lint-fix
• pnpm test run packages/cluster/test/Sharding.test.ts
• pnpm check
• pnpm build
• pnpm docgen

[changeset-bot]

🦋 Changeset detected

Latest commit: 4debb5d

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@effect/cluster	Patch

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