Bug: `Box` has missing `boxSizing` property

[Cloud11PL]

What are you trying to achieve?

Use boxSizing with Box component

Steps to reproduce the problem

<Box 
	boxSizing="content-box"
/>

<Box 
	__boxSizing="content-box"
/>

What did you expect to happen?

box-sizing: content-box; style applied without type error

Additional information

No response

Environment

Browser and version: … OS and version: …