Repro: https://codesandbox.io/s/fast-water-4i4jb

Notice the flash. I'd expect `suspended` to be `true` during the high pri render.
switch (workInProgress.tag) {
        case HostRoot:
          pushHostRootContext(workInProgress);
          resetHydrationState();
          break;
        case HostComponent:
          pushHostContext(workInProgress);
          if (
            workInProgress.mode & ConcurrentMode &&
            renderExpirationTime !== Never &&
            shouldDeprioritizeSubtree(workInProgress.type, newProps)
          ) {
            if (enableSchedulerTracing) {
              markSpawnedWork(Never);
            }
            
            workInProgress.expirationTime = workInProgress.childExpirationTime = Never;
            return null;
          }
          break;
        case ClassComponent: {
          const Component = workInProgress.type;
          if (isLegacyContextProvider(Component)) {
            pushLegacyContextProvider(workInProgress);
          }
          break;
        }
        case HostPortal:
          pushHostContainer(