fix: use esbuild platform browser/node instead of neutral

[patak-dev]

Description

fixes #8704
fixes #8702
fixes #8712

Alternative to:

• fix(optimizer): resolve relative path by Vite resolver (fixes #8704) #8706

We discussed with @bluwy and @sapphi-red that it is better to use esbuild resolution if possible.

Also, looks like we will need to use 'browser'/'node' instead of 'neutral', I'm seeing code that won't run even with the mainFields defined IIUC in esbuild: https://github.com/evanw/esbuild/blob/79975460813c6765de1df858efd671ea5e7e6897/internal/resolver/package_json.go#L349. Later we could ask a feature to disable the automatic replacement of process.env.NODE_ENV, but seems that it is safer to use the right platform

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What is the purpose of this pull request?

• Bug fix
• New Feature
• Documentation update
• Other

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[sapphi-red]

Great findings!