test(operations): added more test for WithIdempotencyKey

[graham-chainlink]

Added test cases when idempotency key is used , it should be included in the report

JIRA: https://smartcontract-it.atlassian.net/browse/CLD-2579

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Latest commit: 34480f0

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[Copilot]

Pull request overview

Adds focused JSON serialization tests for the IdempotencyKey field on operation reports, verifying it is present when set via WithIdempotencyKey and omitted otherwise.

Changes:

• New test Test_ExecuteOperation_ReportJSON_IdempotencyKey with two subtests covering presence and omission of the idempotencyKey JSON field.
• Adds encoding/json import.

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[cl-sonarqube-production]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarQube