Infinite re-render (loop) with react-select (multi) initialValues

### Are you submitting a **bug report** or a **feature request**?
Bug

### What is the current behavior?
Infinite re-render (loop) after set initialValues as array []

### What is the expected behavior?
No infinite loop

### Sandbox Link
https://codesandbox.io/s/busy-bouman-y680m

### What's your environment?

### Other information
React Final Form's code sandbox