fix(runtime-core): prevent child component updates when style remains unchanged

[edison1105]

close #12826

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
runtime-dom.global.prod.js	100 kB (+78 B)	38 kB (+33 B)	34.3 kB (-3 B)
vue.global.prod.js	158 kB (+78 B)	57.9 kB (+25 B)	51.5 kB (+41 B)

Usages

Name	Size	Gzip	Brotli
createApp (CAPI only)	47 kB (+616 B)	18.4 kB (+201 B)	16.8 kB (+167 B)
createApp	54.9 kB (+619 B)	21.4 kB (+211 B)	19.5 kB (+183 B)
createSSRApp	59.2 kB (+619 B)	23.1 kB (+214 B)	21 kB (+176 B)
defineCustomElement	59.8 kB (+621 B)	23 kB (+222 B)	20.9 kB (+185 B)
overall	69 kB (+619 B)	26.6 kB (+220 B)	24.2 kB (+198 B)

[pkg-pr-new]

Open in Stackblitz

@vue/compiler-core

npm i https://pkg.pr.new/@vue/compiler-core@12825

@vue/compiler-ssr

npm i https://pkg.pr.new/@vue/compiler-ssr@12825

@vue/compiler-dom

npm i https://pkg.pr.new/@vue/compiler-dom@12825

@vue/compiler-sfc

npm i https://pkg.pr.new/@vue/compiler-sfc@12825

@vue/reactivity

npm i https://pkg.pr.new/@vue/reactivity@12825

@vue/runtime-core

npm i https://pkg.pr.new/@vue/runtime-core@12825

@vue/runtime-dom

npm i https://pkg.pr.new/@vue/runtime-dom@12825

@vue/server-renderer

npm i https://pkg.pr.new/@vue/server-renderer@12825

@vue/shared

npm i https://pkg.pr.new/@vue/shared@12825

vue

npm i https://pkg.pr.new/vue@12825

@vue/compat

npm i https://pkg.pr.new/@vue/compat@12825

commit: 93eafa2

[edison1105]

/ecosystem-ci run

[vue-bot]

📝 Ran ecosystem CI: Open

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

[edison1105]

/ecosystem-ci run

[vue-bot]

📝 Ran ecosystem CI: Open

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