when queue has null value , it can be error

[anming-john]

https://github.com/vuejs/vue-next/blob/b5926ff9f05e5f80592c576eaaba87f0d247a601/packages/runtime-core/src/scheduler.ts#L210

runtime-core.esm-bundler.js:339 Uncaught (in promise) TypeError: Cannot read property 'id' of null happened in getId function

i debugger log :
[null, null, null, null, null, null, null , f()] 'queue'

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[underfin]

Same as #2567