Rework receiver restart. (#4202)

* Rework receiver restart.

- Protect against concurrent restarts
- Clean up and consolidate code around restarts
- Use `RestartStream` of buffer rather than creating new buffers.

* fix test

pkg/utils/opsqueue.go

@@ -128,7 +128,6 @@ func (oq *opsQueueBase[T]) Enqueue(op T) {
 		select {
 		case oq.wake <- struct{}{}:
 		default:
-			oq.params.Logger.Debugw("could not wake ops queue", "name", oq.params.Name)
 		}
 	}
 }