rtsp CSeq contains a space in front of line translation characters

[Evgeniy]

My camera, at the DESCRIBE request, returns CSeq, which contains a space mark, because of this, the condition in the waitResponse function of the client.go file does not work.

                      if cseq, ok := res.Header["CSeq"]; !ok || len(cseq) != 1 || cseq[0] == requestCseqStr {
                               return res, nil
                      }

I used the patch:
mypatch.patch

[Alessandro Ros]

added in MediaMTX v1.2.1

[github-actions]

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