fix null value issue for udf_txn_uuid and txn_uuid

[PriyanshuC132]

fix for gateway_score inserts without txn_uuid, so added txn_uuid and udf_txn_uuid in the logs

[Copilot]

Pull Request Overview

This PR addresses a null value issue in gateway_score inserts by ensuring that both udf_txn_uuid and txn_uuid fields are properly logged with transaction UUID values.

• Adds txn_uuid field to tracing span initialization alongside existing udf_txn_uuid
• Records both fields with the same transaction UUID value from the payload in decision gateway route
• Includes txn_uuid in the logger formatter's field list for proper output

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

File	Description
src/utils.rs	Adds txn_uuid field initialization to tracing span setup
src/routes/decision_gateway.rs	Records both udf_txn_uuid and txn_uuid with transaction UUID from payload
src/logger/formatter.rs	Includes txn_uuid in the logger's field output list