refactor(kit): extract shared hasOwn helper

[skirtles-code]

Following on from #1112, I've extracted hasOwn to a shared helper. This is currently being used in 3 places, all in core/component/state/.

This might also be useful in #1110, which currently uses a hasOwnProperty check.

[netlify]

✅ Deploy Preview for vue-devtools-docs canceled.

Name	Link
🔨 Latest commit	89362a9
🔍 Latest deploy log	https://app.netlify.com/projects/vue-devtools-docs/deploys/6a66e7f95faee70008d00102

[pkg-pr-new]

Open in StackBlitz

@vue/devtools-applet

npm i https://pkg.pr.new/@vue/devtools-applet@1116

@vue/devtools-core

npm i https://pkg.pr.new/@vue/devtools-core@1116

@vue/devtools

npm i https://pkg.pr.new/@vue/devtools@1116

@vue/devtools-api

npm i https://pkg.pr.new/@vue/devtools-api@1116

@vue/devtools-kit

npm i https://pkg.pr.new/@vue/devtools-kit@1116

@vue/devtools-electron

npm i https://pkg.pr.new/@vue/devtools-electron@1116

@vue/devtools-shared

npm i https://pkg.pr.new/@vue/devtools-shared@1116

@vue/devtools-ui

npm i https://pkg.pr.new/@vue/devtools-ui@1116

vite-plugin-vue-devtools

npm i https://pkg.pr.new/vite-plugin-vue-devtools@1116

commit: 89362a9