rFcfb17b178da2055ef12b2aa2ad8f7f778a952bc3 changed the semantics of `SocketIOWorkerUpdate`, in the sense that any update that doesn't change the worker status can omit `previous_status`. This commit adjusts the unit test for this.
FetchTask
pkg/api/flamenco-manager.yaml
flamenco-openapi.yaml
Worker.LastActivity
workerDBtoAPI(w)
workerSummary(w)