Reduce the amount of logs generated by search_near_03

Summary

The test search_near_03 from the cpp suite generates too many log messages. As we did in WT-8481, we should reduce the logging level of the noisy trace to LOG_TRACE.

Motivation

Does this affect any team outside of WT?

No

How likely is it that this use case or problem will occur?

N/A

If the problem does occur, what are the consequences and how severe are they?

N/A

Is this issue urgent?

No

Acceptance Criteria (Definition of Done)

Less logs are generated by search_near_03.

Testing

Execute search_near_03.

Documentation update

N/A

[Optional] Suggested Solution

Reduce this level to LOG_TRACE.