Fix hardhat package resolution

[alcuadrado]

The resolution was giving different results during testing than in production, due to everything being in dist/ in production builds. Instead of using a path, I now look for the closest package.json, which is safer.

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
hardhat	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 1, 2024 0:07am

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Latest commit: c8d2623

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