refactor(runtime-vapor): remove optional chaining syntax

[LittleSound]

the optional chaining (?.) has bigger bundle size

[netlify]

✅ Deploy Preview for vapor-template-explorer ready!

Name	Link
🔨 Latest commit	f87abf9
🔍 Latest deploy log	https://app.netlify.com/sites/vapor-template-explorer/deploys/66409f6a0c6d840008d3a9d5
😎 Deploy Preview	https://deploy-preview-208--vapor-template-explorer.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.

[netlify]

✅ Deploy Preview for vapor-repl ready!

Name	Link
🔨 Latest commit	f87abf9
🔍 Latest deploy log	https://app.netlify.com/sites/vapor-repl/deploys/66409f6a0a5c5f0008db72fb
😎 Deploy Preview	https://deploy-preview-208--vapor-repl.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.

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
compiler-dom.global.prod.js	80 kB	28.1 kB	24.7 kB
compiler-vapor.global.prod.js	55.5 kB	18.9 kB	17.1 kB
runtime-dom.global.prod.js	96.6 kB	36.5 kB	32.9 kB
runtime-vapor.global.prod.js	45.1 kB (-57 B)	16.9 kB (-19 B)	15.4 kB (-17 B)
vue-vapor.global.prod.js	97.8 kB (-57 B)	34.3 kB (-17 B)	30.9 kB (-26 B)
vue.global.prod.js	154 kB	55.8 kB	49.8 kB

Usages

Name	Size	Gzip	Brotli
createApp	57 kB	21.9 kB	20 kB
createSSRApp	60.4 kB	23.3 kB	21.2 kB
defineCustomElement	59.3 kB	22.7 kB	20.7 kB
vapor	45.5 kB (-57 B)	16.9 kB (-16 B)	15.5 kB (-10 B)
overall	70.7 kB	26.9 kB	24.4 kB