fix(react): update how isExpandedAll is set and ensure onExpand called

[abbeyhrt]

Closes #11871

This PR:

• fixes a bug, when DataTable was used with Pagination the toggle expansion button wasn't updated properly, by having isExpandedAll be set to true in getDerivedStateFromProps when all rows are expanded, the button changes toggle as expected
• also noticed that onExpand wasn't being called if getExpandHeaderProps was provided so I added that in to the click handler for that
• add tests for both of those issues to prevent regression

Changelog

New

• {{new thing}}

Changed

• {{change thing}}

Removed

• {{removed thing}}

Testing / Reviewing

Go to Test Toggle story and click the "Expand all" chevron and then go to the next page. Verify that the chevron has flipped back to the "unexpanded" state.

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