Multiple filesDownload freezes

**Describe the bug**
Using multiple [filesDownload](https://dropbox.github.io/dropbox-sdk-js/Dropbox.html#filesDownload__anchor) with Promise.all() freezes.

**To Reproduce**
Create multiple requests of `filesDownload` and use Promise.all().

**Expected Behavior**
Promises should resolve or reject. May be due rate limit but would expect a reject.

**Actual Behavior**
Promises are never resolved or rejected.

**Versions**
* What version of the SDK are you using? 10.34.0
* What version of the language are you using? Node 18.12.1
* Are you using Javascript or Typescript? JavaScript

**Additional context**
Add any other context about the problem here.