## Description
Preserves external data structures stored in MongoDB by avoiding the use
of `JSON.parse(JSON.stringify(mongooseDoc))`.
- [x] I have read and understand the
[CONTRIBUTING.md](https://github.com/payloadcms/payload/blob/main/CONTRIBUTING.md)
document in this repository.
## Type of change
- [x] New feature (non-breaking change which adds functionality)
## Checklist:
- [x] I have added tests that prove my fix is effective or that my
feature works
- [x] Existing test suite passes locally with my changes
f96cf593ce
