fix(compiler-sfc): throw an error if scope var name conflicts with component name

[edison1105]

close #11730

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
runtime-dom.global.prod.js	100 kB	37.7 kB	33.9 kB
vue.global.prod.js	159 kB	57.5 kB	51.2 kB (+35 B)

Usages

Name	Size	Gzip	Brotli
createApp	55.1 kB	21.2 kB	19.3 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: dd82567

@vue/compiler-core

pnpm add https://pkg.pr.new/@vue/compiler-core@11744

@vue/compiler-dom

pnpm add https://pkg.pr.new/@vue/compiler-dom@11744

@vue/compiler-sfc

pnpm add https://pkg.pr.new/@vue/compiler-sfc@11744

@vue/compiler-ssr

pnpm add https://pkg.pr.new/@vue/compiler-ssr@11744

@vue/reactivity

pnpm add https://pkg.pr.new/@vue/reactivity@11744

@vue/runtime-core

pnpm add https://pkg.pr.new/@vue/runtime-core@11744

@vue/runtime-dom

pnpm add https://pkg.pr.new/@vue/runtime-dom@11744

@vue/server-renderer

pnpm add https://pkg.pr.new/@vue/server-renderer@11744

@vue/shared

pnpm add https://pkg.pr.new/@vue/shared@11744

vue

pnpm add https://pkg.pr.new/vue@11744

@vue/compat

pnpm add https://pkg.pr.new/@vue/compat@11744

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