fix(reactivity): correctly handle method calls on user-extended arrays

[jh-leong]

close #11759

[github-actions]

Size Report

Bundles

File	Size	Gzip	Brotli
runtime-dom.global.prod.js	100 kB	37.7 kB (-3 B)	33.9 kB (-41 B)
vue.global.prod.js	159 kB	57.5 kB (-3 B)	51.2 kB (+37 B)

Usages

Name	Size	Gzip	Brotli
createApp	55.1 kB	21.2 kB (-2 B)	19.3 kB
createSSRApp	59.1 kB	22.9 kB (-1 B)	20.8 kB (+34 B)
defineCustomElement	59.8 kB	22.7 kB (-6 B)	20.7 kB (-35 B)
overall	68.8 kB	26.3 kB (-3 B)	23.9 kB (+35 B)

[pkg-pr-new]

commit: b64b51a

@vue/compiler-core

pnpm add https://pkg.pr.new/@vue/compiler-core@11760

@vue/compiler-dom

pnpm add https://pkg.pr.new/@vue/compiler-dom@11760

@vue/compiler-sfc

pnpm add https://pkg.pr.new/@vue/compiler-sfc@11760

@vue/compiler-ssr

pnpm add https://pkg.pr.new/@vue/compiler-ssr@11760

@vue/reactivity

pnpm add https://pkg.pr.new/@vue/reactivity@11760

@vue/runtime-core

pnpm add https://pkg.pr.new/@vue/runtime-core@11760

@vue/runtime-dom

pnpm add https://pkg.pr.new/@vue/runtime-dom@11760

@vue/server-renderer

pnpm add https://pkg.pr.new/@vue/server-renderer@11760

@vue/shared

pnpm add https://pkg.pr.new/@vue/shared@11760

vue

pnpm add https://pkg.pr.new/vue@11760

@vue/compat

pnpm add https://pkg.pr.new/@vue/compat@11760

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