Setting custom httpHeaders does not work after EDR introduction

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Version of Hardhat

2.22.13

What happened?

Custom authorisation headers no longer work when forking node.

Latest working version is 2.20.1 so I suppose EDR is the one to blame.

Minimal reproduction steps

Follow the guide about how to provide custom HTTP headers: https://github.com/NomicFoundation/hardhat/blob/2f5b7a8be71f2183c2992383bcc582bc4c02626b/docs/src/content/hardhat-network/docs/guides/forking-other-networks.md?plain=1#L139

Search terms

httpHeaders EDR