fix: gzipped total file size calculation

[chenjiahan]

Summary

For non-compressible assets (such as images), the gzip size will not be shown in the detailed list, but their original size should be included in the total gzip size calculation.

Related Links

• [Bug]: Confused about the bundle size after compressing images (Gzip) #4537

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

[netlify]

✅ Deploy Preview for rsbuild ready!

Name	Link
🔨 Latest commit	9cf31f7
🔍 Latest deploy log	https://app.netlify.com/sites/rsbuild/deploys/67ac6831c5f70e000834af66
😎 Deploy Preview	https://deploy-preview-4539--rsbuild.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.
Lighthouse	1 paths audited Performance: 59 (🟢 up 12 from production) Accessibility: 97 (no change from production) Best Practices: 100 (no change from production) SEO: 100 (no change from production) PWA: 60 (no change from production) View the detailed breakdown and full score reports

---

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