Preview: Ensure docs container re-renders when globals change

[tmeasday]

Issue: #18477 #18771

What I did

Added a story to demonstrate and ensure that DocsRender always re-renders on globals change

How to test

• Is this testable with Jest or Chromatic screenshots?
• Does this need a new example in the kitchen sink apps?

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[tmeasday]

The errors here seem to exist already on next

[shilman]

Nice tests 💯

[shilman]

@tmeasday I noticed in QA that when you update the globals the story gets re-rendered twice. Is that intentional? the docs container gets re-rendered once as expected

[tmeasday]

I think the story already got rendered twice, maybe due to strict mode? It might be something that's worth a little bit of investigation, I'll take a look.

[tmeasday]

I checked and it does seem like renderToDOM is only getting called once, so we can probably put this down to strict mode.