fix(googleAdsense): improve initialization & auto ads handling

[nexoscreator]

This PR improves the Google Adsense registry script by simplifying initialization, fixing auto ads issues, and ensuring a cleaner implementation.

🔗 Linked issue

No

❓ 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)
• ✨ 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

• Removed dynamic client query param from adsbygoogle.js URL (redundant and unnecessary).
• Improved script injection logic to ensure proper useHead usage.
• Fixed auto ads initialization issue (enable_page_level_ads now properly handled).
• Standardized TypeScript typings and comments for better maintainability.
• Ensured compatibility with future registry script updates.

[vercel]

@nexoscreator is attempting to deploy a commit to the Nuxt Team on Vercel.

A member of the Team first needs to authorize it.

[harlan-zw]

Thank you! Your expertise is appreciated