Switch tracking to use the AsyncEmitter

What does this MR do?

It resolves that backend instrumentation wasn't working because it needs to use the https protocol, and also introduces the async emitter so tracking doesn't block requests.

Does this MR meet the acceptance criteria?

Conformity

• [-] Changelog entry
• [-] Documentation created/updated or follow-up review issue created
• [-] Code review guidelines
• [-] Merge request performance guidelines
• [-] Style guides
• [-] Database guides
• [-] Separation of EE specific content