docs: Update next-js.md to add an example on how to use getServerSideProps anyway

[andreaTarascioSophany]

Closes #1539

✅ Checklist

• I have followed every step in the contributing guide (updated 2022-10-06).
• The PR title follows the convention we established conventional-commit
• I performed a functional test on my final commit

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Changelog

Update next-js.md to add an example on how to use getServerSideProps anyway

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Screenshots

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[JackMcBride98]

Thanks for doing this :)