feat(html-elements): added div and babel tests (#20867)

# Why

- The babel plugin should be tested.
- Div is a pretty common component. Even though this isn't perfect, most
issues are related to

feat(html-elements): added div and babel tests (#20867)

# Why

- The babel plugin should be tested.
- Div is a pretty common component. Even though this isn't perfect, most
issues are related to styling/Yoga. Yoga has some good strategies for
changing default styles in the future so I think we can lean on that for
migration.

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Use declaration maps (#15782)

* Added declarationMap to base tsconfig

* et cp -a --no-lint --no-test --no-uniformity-check