Make MTX_QUERY from WHIP request URL available in runOnReady hook

[dmitritz]

Describe the feature

The documentation on runOnReady hook https://github.com/bluenviron/mediamtx/blob/main/README.md#hooks specifies that the MTX_QUERY should be available:

# * MTX_QUERY: query parameters (passed by publisher)

But they are not for a WHIP stream.
Shouldn't they be passed from the initial WHIP session initiation request?
Because this is how a producer can communicate any meta-information about a stream.
Proposition: get the query parameters from a WHIP request URL and store them as the producer's query parameters accessible in the hooks

[aler9]

Thanks for reporting the issue, this is fixed by #4141

[github-actions]

This issue is mentioned in release v1.11.1 🚀
Check out the entire changelog by clicking here