fix(vite): skip _only_ vite transform middleware

[danielroe]

🔗 Linked issue

resolvesnuxt/nuxt#15559, resolvesnuxt/nuxt#15735, resolvesnuxt/nuxt#15510

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

This PR avoids modifying the URL for vite middleware injected prior to viteTransformMiddleware, instead injecting another middleware to make the modification within the vite stack.

The underlying mechanism of skipping the vite transform hasn't changed, just the time of making the change.

cc: @patak-dev

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

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[patak-cat]

For reference, the function name viteTransformMiddleware is part of Vite's public API and won't be changed except for a breaking change in a Major.

[pi0]

LGTM. Couldn't find a better solution.