Avoid tracing messages in Transport when tracing is false

[daveallie]

Description

Currently, tracing in Transport is always enabled in a handful of cases, even when tracing is set to false. These spots should honor the tracing flag.

Testing

Tested locally and validated dev tools console output.

---

Checklist

Before submitting a Pull Request, please ensure the following:

• 🚨 This PR does not introduce breaking changes.
• All CI checks (GH Actions) pass.
• Documentation is updated as needed.
• Tests are updated or added as necessary.
• Code is well-commented, especially in complex areas.
• Git history is clean — commits are squashed to the minimum necessary.