* fix: whep gathering failure leaks peer connections
* fix: failure to create whep client leaks
when read fails, client is not closed
* fix: close idle connection with whip client
* fix: no link check on early whip client close
* move http.Client.CloseIdleConnections() outside WHIPClient
* automatically call WHEPClient.Close() in case of errors during WHEPClient.Read() or WHEPClient.Publish()
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Co-authored-by: Jonathan Martin <jonathan.martin@marss.com>
Co-authored-by: aler9 <46489434+aler9@users.noreply.github.com>
