Improve parsing of XINFO STREAM response

[Wh1isper]

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Description of change

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closes: #3065

And also fix when there is no group(data["groups"] == []) and parse consumer by defualt

[Wh1isper]

This is a tiny fix, I can add test cases and changelogs for this if needed

[gerzse]

This is a tiny fix, I can add test cases and changelogs for this if needed

Thanks @Wh1isper

It would be great if you can add tests, one with a response before XTRIM, one for a response after XTRIM.

[Wh1isper]

@gerzse I've added test code for this change on the original xinfo_stream and xinfo_stream_full test cases, please take a look

CI: https://github.com/Wh1isper/redis-py/actions/runs/9544241170

[gerzse]

Thanks for the tests @Wh1isper