Bug: I get "TypeError: Illegal invocation" when using node-fetch@3 with electron

I'm not sure if this is a bug but I think so. I have an electron app that uses node-fetch@2 which is working fine (in a GUI and the terminal), but with version 3 when I only run the app in the terminal (I get a TypeError when run in the GUI).

This is maybe due to dropping support for the browser but I don't think so! The app uses node-fetch in the GUI using a preload script which have access to full node APIs as far as I understand, and it should be running as if it's running from a terminal! Or maybe it's an issue with Electron itself?!

Reproduction

Steps to reproduce the behavior: Using node >=12.14.1 should be fine but I use version 14.8.0.

1. git clone https://github.com/badersur/miniapp.git
2. cd miniapp
3. git checkout node-fetch-3
4. yarn
5. yarn dev

Edit: Or download v1.0.1-next of the app and run it to see the error on the GUI, and run miniapp -t to output to the terminal with no error!

Expected behavior The app should work fine as shown in the master branch:

git checkout master
yarn
yarn dev
# Passing `-t` to the app will output to the terminal (which is working fine using both versions), for Linux I use:
yarn dist:dir && ./dist/linux-unpacked/miniapp -t

Edit: Or download v1.0.0 of the app and run it with or without -t flag to see the app running without any issues!

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Additional context