[🐞] use native streams when available

[wmertens]

Which component is affected?

Qwik Runtime

Describe the bug

For SSR we're using a webstream, even on Node.js, and the implementation in Node.js doesn't cope well with many small strings being written.

We should use native streams when available.

Reproduction

n/a

Steps to reproduce

look at allocations recording in nodejs vs in browser

System Info

Node.js all versions

Additional Information

No response