refactor(sfc): directly use import bindings without adding prefix

[edison1105]

close #11273

The underlying issue is that user import bindings are rewritten to $setup.Color in non-inline mode and Color is not returned in the setup function.

• Solution 1: Return Color in __return__, which requires modifying isImportUsed to check if the import var is used in cssVars.
• Solution 2: Introduce SETUP_IMPORTED_MAYBE_REF to handle user import bindings specially (the approach taken in the current PR).

[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 (+101 B)	57.6 kB (+47 B)	51.3 kB (+159 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

[edison1105]

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nuxt	❌ failure	✅ success
pinia	✅ success	✅ success
primevue	✅ success	✅ success
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radix-vue	✅ success	✅ success
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suite	result	latest scheduled
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primevue	✅ success	✅ success
quasar	❌ failure	✅ success
radix-vue	✅ success	✅ success
router	✅ success	✅ success
test-utils	✅ success	✅ success
vant	✅ success	✅ success
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suite	result	latest scheduled
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nuxt	❌ failure	✅ success
pinia	✅ success	✅ success
primevue	✅ success	✅ success
quasar	❌ failure	✅ success
radix-vue	✅ success	✅ success
router	✅ success	✅ success
test-utils	✅ success	✅ success
vant	✅ success	✅ success
vite-plugin-vue	❌ failure	✅ success
vitepress	✅ success	✅ success
vue-i18n	❌ failure	✅ success
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vuetify	✅ success	✅ success
vueuse	✅ success	✅ success
vue-simple-compiler	✅ success	✅ success

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[pkg-pr-new]

commit: 9a14e9d

@vue/compiler-core

pnpm add https://pkg.pr.new/@vue/compiler-core@11319

@vue/compiler-dom

pnpm add https://pkg.pr.new/@vue/compiler-dom@11319

@vue/compiler-sfc

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@vue/compiler-ssr

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@vue/reactivity

pnpm add https://pkg.pr.new/@vue/reactivity@11319

@vue/runtime-core

pnpm add https://pkg.pr.new/@vue/runtime-core@11319

@vue/runtime-dom

pnpm add https://pkg.pr.new/@vue/runtime-dom@11319

@vue/server-renderer

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@vue/shared

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vue

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@vue/compat

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Open in Stackblitz

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📝 Ran ecosystem CI: Open

suite	result	latest scheduled
language-tools	❌ failure	❌ failure
nuxt	❌ failure	✅ success
pinia	✅ success	✅ success
primevue	✅ success	✅ success
quasar	❌ failure	✅ success
radix-vue	✅ success	✅ success
router	✅ success	✅ success
test-utils	✅ success	✅ success
vant	✅ success	✅ success
vite-plugin-vue	❌ failure	✅ success
vitepress	✅ success	✅ success
vue-i18n	✅ success	✅ success
vue-macros	✅ success	✅ success
vuetify	✅ success	✅ success
vueuse	✅ success	✅ success
vue-simple-compiler	✅ success	✅ success