Add some trace logging for Soroban

[jayz22]

Description

Some useful trace logging improvements when I was troubleshooting spikes in the Soroban (time cpu ratio) metrics.

Checklist

• [ ] Reviewed the contributing document
• [ ] Rebased on top of master (no merge commits)
• [ ] Ran clang-format v8.0.0 (via make format or the Visual Studio extension)
• [ ] Compiles
• [ ] Ran all tests
• [ ] If change impacts performance, include supporting evidence per the performance document