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.
state = {error: null};
      componentDidCatch(error) {
        this.setState({error});
      }
      reset() {
        this.setState({error: null});
      }
      render() {
        if (this.state.error !== null) {
          return <Text text={'Caught error: ' + this.state.error.message} />;
        }
        return this.props.children;
      }
    }
    const errorBoundary = React.createRef();
    function App({renderContent}) {
      return (
        <Suspense fallback={<Text text="Loading..." />}>
          {renderContent ? (
            <ErrorBoundary ref={errorBoundary}>