fix(ssr): handle initial selected state for select with v-model + v-for option

[edison1105]

close #12395

[github-actions[bot]]

Size Report

Bundles

File	Size	Gzip	Brotli
runtime-dom.global.prod.js	99.9 kB	37.9 kB	34.2 kB
vue.global.prod.js	158 kB	57.8 kB	51.3 kB

Usages

Name	Size	Gzip	Brotli
createApp (CAPI only)	47.1 kB	18.3 kB	16.8 kB
createApp	55.1 kB	21.3 kB	19.5 kB
createSSRApp	59.2 kB	23 kB	21 kB
defineCustomElement	60 kB	22.9 kB	20.8 kB
overall	69 kB	26.4 kB	24.1 kB

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commit: ea204aa