fix runtime-vapor vModel bug

[FireBushtree]

closes #134

[netlify]

✅ Deploy Preview for vapor-template-explorer ready!

Name	Link
🔨 Latest commit	e91dde5
🔍 Latest deploy log	https://app.netlify.com/sites/vapor-template-explorer/deploys/65d83ed53ab3b400088eaa3e
😎 Deploy Preview	https://deploy-preview-135--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	e91dde5
🔍 Latest deploy log	https://app.netlify.com/sites/vapor-repl/deploys/65d83ed5dd16d30008023571
😎 Deploy Preview	https://deploy-preview-135--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	80.1 kB	28.1 kB	24.7 kB
compiler-vapor.global.prod.js	47.4 kB	16.1 kB	14.6 kB
runtime-dom.global.prod.js	91.4 kB	34.7 kB	31.3 kB
runtime-vapor.global.prod.js	35.4 kB (+350 B)	13.5 kB (+122 B)	12.4 kB (+123 B)
vue-vapor.global.prod.js	80.3 kB (+356 B)	28.2 kB (+121 B)	25.5 kB (+120 B)
vue.global.prod.js	149 kB	54 kB	48.2 kB

Usages

Name	Size	Gzip	Brotli
createApp	51.6 kB	20.1 kB	18.4 kB
createSSRApp	55 kB	21.4 kB	19.5 kB
defineCustomElement	53.9 kB	20.8 kB	19.1 kB
vapor	35.5 kB (+346 B)	13.6 kB (+124 B)	12.4 kB (+114 B)
overall	65.4 kB	25.2 kB	22.8 kB

[FireBushtree]

@sxzz Did these errors caused by my code?

[sxzz]

This is not a correct fix, see this reproduction. Still print old value

[FireBushtree]

This is not a correct fix, see this reproduction. Still print old value

i will try to fix