[lexical-react] Bug Fix: LexicalTypeaheadMenuPlugin SSR error: ReferenceError: document is not defined

[bedre7]

Description

Used CAN_USE_DOM to check if the DOM can be used when accessing the document object in the useMenuAnchorRef hook. This prevents runtime errors when the hook is used by a plugin in SSR.

Closes #6716

Test plan

Unit test has been added for useMenuAnchorRef.

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
lexical	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 5, 2024 4:44pm
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[github-actions]

size-limit report 📦

Path	Size
lexical - cjs	29.92 KB (0%)
lexical - esm	29.78 KB (0%)
@lexical/rich-text - cjs	38.57 KB (0%)
@lexical/rich-text - esm	31.63 KB (0%)
@lexical/plain-text - cjs	37.22 KB (0%)
@lexical/plain-text - esm	28.94 KB (0%)
@lexical/react - cjs	40.31 KB (0%)
@lexical/react - esm	33.04 KB (0%)

[etrepum]

I think that the LexicalMenu anchorElementRef type should change to match the new expectations rather than using a cast. It's a mutable object, the contents can change from not-null to null at any time (at least per the type contract)

[etrepum]

I think this is good to go, I will apply the small suggested nit and assuming the e2e test suite looks good then it will be merged. Thank you!