fix(render): in node environments react-dom/server is (not ?) always a CJS export

[Tstassin]

Using NestJS as backend, render() method from render package crashes since #2221
I don't know the black magic causing the regression, but with this soft check everything works
Tests pass

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commit: 36785a9

[gabrielmfern]

It is always a CJS export, though. You can check that their package.json has no "type": "module", or any module export. And if you look into the actual JS that's exported, they all use module.exports