Repro case with a master build: https://codesandbox.io/s/stoic-mcnulty-dhygf?file=/src/App.js:668-703

Expected: we see content after a second.
Actual: fallback never resolves.

This happens in a sequence of:

1. Normal update
   - which suspends
2. Idle update
   - which also suspends
3. An unrelated normal update immediately followed by a ping (so they're batched)
   - here, we decide to stay on fallback, but should've shown the content

If you remove `_setVersion(v => v + 1);` on line 44 then the issue goes away.
checkPropTypes(
          innerPropTypes,
          nextProps, 
          'prop',
          getComponentName(type),
        );
      }
    }
    const child = createFiberFromTypeAndProps(
      Component.type,
      null,
      nextProps,
      null,
      workInProgress.mode,
      renderExpirationTime,
    );
    child.ref = workInProgress.ref;
    child.return = workInProgress;
    workInProgress.child = child;
    return child;
  }
  if (__DEV__) {
    const type = Component.type;
    const innerPropTypes = type.propTypes;
    if (innerPropTypes) {
      
      
      checkPropTypes(
        innerPropTypes,
        nextProps,