[fix](partition) handle rollback failure when adding partition

[deardeng]

When adding a partition fails after metadata has been partially updated, the rollback path must clean up the newly created partition state consistently. Otherwise the catalog and meta-service state can diverge, leaving later add-partition or recovery operations with stale partition metadata.

What problem does this PR solve?

Issue Number: close #xxx

Related PR: #xxx

Problem Summary:

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• Test

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  • Manual test (add detailed scripts or steps below)
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• Behavior changed:

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  • Yes.

• Does this need documentation?

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  • Yes.

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