Parent/child relationship in spans from ASGI based streaming response wrong.

[antonpirker]

How do you use Sentry?

Sentry Saas (sentry.io)

Version

all

Steps to Reproduce

Run this demo application:
https://github.com/antonpirker/testing-sentry/blob/main/test-fastapi-streaming-response/main.py

Expected Result

The spans created in the response generator called SPAN Stream Response Generator should be childrend of the span SPAN Streaming View.

Actual Result

The spans SPAN Stream Response Generator are children of the root and siblings to SPAN Streaming View:

Solution brain storming

This is probably related to: #3798
And should also be treated the same way (with having a maximum transaction duration of 5 minutes)