Fix the error handling in the konnector worker (#1794)
Fix the error handling in the konnector worker (#1794)

It a konnector fails on the first, and then succeeds on a next retry, we
should reset the error from the previous run to not see it as a whole
failure.
nono/cozy-stack,nono/cozy-stack,nono/cozy-stack,nono/cozy-stack,nono/cozy-stack