feat: removed version_checker for UE.

[Jaskowicz1]

This PR wraps the version checker in an if statement, checking if any UE definitions are declared. This means Unreal Engine will no longer constantly break with the version checker.

Code change checklist

• I have ensured that all methods and functions are fully documented using doxygen style comments.
• My code follows the coding style guide.
• I tested that my change works before raising the PR.
• I have ensured that I did not break any existing API calls.
• I have not built my pull request using AI, a static analysis tool or similar without any human oversight.

[netlify]

✅ Deploy Preview for dpp-dev ready!

Name	Link
🔨 Latest commit	15ab3d1
🔍 Latest deploy log	https://app.netlify.com/sites/dpp-dev/deploys/6537c8b914194e000840d068
😎 Deploy Preview	https://deploy-preview-970--dpp-dev.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.