fix(runtime-dom): avoid unnecessary prop patch for checkbox

[Mini-ghost]

Resolve: #11647

When the value is null or undefined, and el.type is checkbox, the newValue should be set as 'on' instead of an empty string.

I would be most grateful for any feedback on this approach. If there are any concerns or alternative suggestions, please do not hesitate to share them, and I will be more than happy to make the necessary adjustments.

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
runtime-dom.global.prod.js	100 kB (+25 B)	37.7 kB (+9 B)	33.9 kB (+47 B)
vue.global.prod.js	159 kB (+25 B)	57.5 kB (+9 B)	51.2 kB (+7 B)

Usages

Name	Size	Gzip	Brotli
createApp	55.1 kB (+25 B)	21.2 kB (+14 B)	19.4 kB (+78 B)
createSSRApp	59.1 kB (+25 B)	22.9 kB (+15 B)	20.8 kB (+33 B)
defineCustomElement	59.8 kB (+25 B)	22.7 kB (+21 B)	20.7 kB (+20 B)
overall	68.8 kB (+25 B)	26.3 kB (+15 B)	23.9 kB (+10 B)

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commit: 77f4444

[edison1105]

/ecosystem-ci run

[edison1105]

Could you please add a test case for this?

[vue-bot]

📝 Ran ecosystem CI: Open

suite	result	latest scheduled
language-tools	❌ failure	❌ failure
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

[Mini-ghost]

@edison1105 No problem, but I need to take some time to figure out how to write the tests for this. I'll need to wait until I finish my work today, so it might take a bit of time. I sincerely apologize for the delay.