fix(hydration): escape css var name to avoid mismatch

[edison1105]

close #11735

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
runtime-dom.global.prod.js	99.9 kB	37.6 kB	33.9 kB
vue.global.prod.js	158 kB	57.5 kB	51.1 kB

Usages

Name	Size	Gzip	Brotli
createApp	55.1 kB	21.2 kB	19.4 kB
createSSRApp	59.1 kB	22.9 kB	20.8 kB
defineCustomElement	59.8 kB	22.7 kB	20.7 kB
overall	68.8 kB	26.3 kB	23.9 kB

[pkg-pr-new]

commit: 977261d

@vue/compiler-core

pnpm add https://pkg.pr.new/@vue/compiler-core@11739

@vue/compiler-dom

pnpm add https://pkg.pr.new/@vue/compiler-dom@11739

@vue/compiler-sfc

pnpm add https://pkg.pr.new/@vue/compiler-sfc@11739

@vue/compiler-ssr

pnpm add https://pkg.pr.new/@vue/compiler-ssr@11739

@vue/reactivity

pnpm add https://pkg.pr.new/@vue/reactivity@11739

@vue/runtime-core

pnpm add https://pkg.pr.new/@vue/runtime-core@11739

@vue/runtime-dom

pnpm add https://pkg.pr.new/@vue/runtime-dom@11739

@vue/server-renderer

pnpm add https://pkg.pr.new/@vue/server-renderer@11739

@vue/shared

pnpm add https://pkg.pr.new/@vue/shared@11739

vue

pnpm add https://pkg.pr.new/vue@11739

@vue/compat

pnpm add https://pkg.pr.new/@vue/compat@11739

Open in Stackblitz