fix(runtime-core): correct type inference for PascalCase emits

[KazariEX]

fix vuejs/language-tools#4269

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
runtime-dom.global.prod.js	98.7 kB	37.4 kB	33.7 kB
vue.global.prod.js	156 kB	57.2 kB	50.9 kB

Usages

Name	Size	Gzip	Brotli
createApp	54.1 kB	21 kB	19.2 kB
createSSRApp	58.1 kB	22.6 kB	20.6 kB
defineCustomElement	58.8 kB	22.5 kB	20.5 kB
overall	67.7 kB	26 kB	23.6 kB

[yyx990803]

@KazariEX can you resolve the conflicts since we've pointed main to the 3.5 beta now?

[edison1105]

/ecosystem-ci run

[vue-bot]

📝 Ran ecosystem CI: Open

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