[whatwg/streams] Update for HTML structured clone changes (#701)

https://github.com/whatwg/html/commit/97d644c97335956610a31e8ad98d1a388c063e84 changed structured cloning significantly. We need to:

- Not use StructuredClone(), but instead StructuredDeserialize(StructuredSerialize())
- Roll our own Transfer() for array buffers, as Transfer() is no longer defined in HTML.

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