websocket: do not error on service's close #672
Merged
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When a stream is closed by the service itself (such as when the service was streaming progress and finished with a result), it actually errors with "unexpected error: service finished streaming". As it is quite an expected behavior, I'm removing this error and closing the websocket.
It clashes with #670, as we might want to keep the channel opened, anyway, it doesn't change the current behavior of closing the channel when service finishes, just avoid the error.