ovc.Client could end up in infinite loop if a task is lost

[redlicha]

https://github.com/gig-tech/ovc-sdk-go/blob/v1.4.1/ovc/client.go#L208-L250 : if querying the state of a task consistently returns a "404", the loop is never exited

[grimpy]

The case for 404 is wrong, there is no option of it not existing yet.
If it's 404 the task result expired (happens 10min after completion of task).

At the time @redlicha tested this though openvcloud / master had a problem it would always return 404