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.
} else {
               
               
               
               
               
               
               
               
               
              
               
               
               
              let primaryChild = primaryChildFragment.child;
              while (primaryChild !== null) {
                const childUpdateExpirationTime = primaryChild.expirationTime;
                const childChildExpirationTime =
                  primaryChild.childExpirationTime;
                if (
                  childUpdateExpirationTime >= renderExpirationTime ||
                  childChildExpirationTime >= renderExpirationTime
                ) {
                   
                   
                  return updateSuspenseComponent(
                    current,
                    workInProgress,
                    renderExpirationTime,
                  );