workers: Mark on-restart-failed returned tasks as returned

extern/sector-storage/manager_test.go

@@ -338,4 +338,9 @@ func TestRestartWorker(t *testing.T) {
 	require.NoError(t, err)
 
 	<-apDone
+
+	time.Sleep(12 * time.Millisecond)
+	uf, err := w.ct.unfinished()
+	require.NoError(t, err)
+	require.Empty(t, uf)
 }

extern/sector-storage/worker_local.go

@@ -86,11 +86,15 @@ func newLocalWorker(executor func() (ffiwrapper.Storage, error), wcfg WorkerConf
 
 			if err := returnFunc[call.RetType](context.TODO(), call.ID, ret, nil, err); err != nil {
 				log.Errorf("return error: %s: %+v", call.RetType, err)
+				continue
+			}
+
+			if err := w.ct.onReturned(call.ID); err != nil {
+				log.Errorf("marking call as returned failed: %s: %+v", call.RetType, err)
 			}
 		}
 	}()
 
-
 	return w
 }