fix(nuxt): use resolvePath to handle edge cases for modules

[danielroe]

🔗 Linked issue

follow-up on #20896
resolves #20883

❓ 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)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

This follows up on #20896 to use resolvePath to handle other edge cases (like implicit /index of a module) that occur when installing modules.

📝 Checklist

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