fix: backport secp256r1 keys fix to lsm

[MSalopek]

Description

Closes: #XXXX

This PR backports secp256r1 keys parsing fixes.

• fix: Implement gogoproto customtype to secp256r1 keys #20027
• fix: secp256r1 json missing quotes #20060

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Author Checklist

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• included the correct type prefix in the PR title
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• included the necessary unit and integration tests
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• confirmed the correct type prefix in the PR title
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• reviewed state machine logic, API design and naming, documentation is accurate, tests and test coverage