Updated CryptographyClientImpl to return a versioned keyId where applicable

[vcolin7]

Description

Fixes: #43451

Fixed an issue where cryptographic operation results (SignResult, EncryptResult, DecryptResult, WrapResult, UnwrapResult) returned a versionless key ID instead of the full versioned key ID returned by the service. This caused issues when attempting roundtrip scenarios, as callers couldn't determine which key version was used for the original operation (e.g. Sign -> Verify).

All SDK Contribution checklist:

• The pull request does not introduce [breaking changes]
• CHANGELOG is updated for new features, bug fixes or other significant changes.
• I have read the contribution guidelines.

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• Title of the pull request is clear and informative.
• There are a small number of commits, each of which have an informative message. This means that previously merged commits do not appear in the history of the PR. For more information on cleaning up the commits in your PR, see this page.

Testing Guidelines

• Pull request includes test coverage for the included changes.

[Copilot]

Pull request overview

This PR fixes Key Vault cryptography operation results to return the service-returned (versioned) key identifier (kid) instead of the client’s (potentially unversioned) keyId, enabling correct roundtrip scenarios when key rotation is used (e.g., sign→verify, wrap→unwrap).

Changes:

• Updated EncryptResult to use KeyOperationResult.getKid() for keyId.
• Updated DecryptResult to use KeyOperationResult.getKid() for keyId.
• Updated SignResult, WrapResult, and UnwrapResult to use KeyOperationResult.getKid() for keyId.

[heaths]

Given your changelog entry, this would seem right but without seeing any tests or knowing your code from memory, does getKid() return the full URI including version? Might be good to add a test or even an assertion to existing tests to make sure you do indeed have a version.

[vcolin7]

@heaths Added a few more check to our unit tests, including one for kid version