sectorstorage: Missing unlock in waitWork

extern/sector-storage/manager_calltracker.go

@@ -271,6 +271,7 @@ func (m *Manager) waitWork(ctx context.Context, wid WorkID) (interface{}, error)
 	res, ok := m.results[wid]
 	if ok {
 		done()
+		m.workLk.Unlock()
 		return res.r, res.err
 	}
 

extern/sector-storage/manager_test.go

@@ -296,6 +296,9 @@ func TestRestartManager(t *testing.T) {
 			require.NoError(t, err)
 
 			require.Equal(t, 1, tw.pc1s)
+
+			ws := m.WorkerJobs()
+			require.Empty(t, ws)
 		}
 	}