fix(runtime-vapor): handle prop when vapor renders vdom component

[LittleSound]

<template vapor>
  <div>
    <VirtualDomComp class="foo" />
  </div>
</template>

TypeError: Cannot redefine property: class

Playground

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commit: 3eb49f5

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
compiler-dom.global.prod.js	84.8 kB	30 kB	26.5 kB
runtime-dom.global.prod.js	106 kB	39.8 kB	35.8 kB
vue.global.prod.js	164 kB	60 kB	53.4 kB

Usages

Name	Size	Gzip	Brotli
createApp (CAPI only)	47.8 kB	18.7 kB	17.1 kB
createApp	56.6 kB	21.8 kB	19.9 kB
createApp + vaporInteropPlugin	89.3 kB (+28 B)	33.4 kB (+9 B)	30.3 kB (+60 B)
createVaporApp	33.1 kB	12.7 kB	11.6 kB
createSSRApp	60.9 kB	23.6 kB	21.5 kB
defineCustomElement	62 kB	23.4 kB	21.4 kB
overall	71.6 kB	27.2 kB	24.7 kB

[LittleSound]

duplicate of #13382