fix: find the caret domrect with largest bottom value

[dominictb]

Details

Related Issues

$ Expensify/App#46389
PROPOSAL: Expensify/App#46389 (comment)

Manual Tests

1. Add overflow and maxHeight attribute in: https://github.com/Expensify/react-native-live-markdown/blob/main/example/src/App.tsx#L190-L196
2. Run example web app
3. Insert multiple-line text until a scroll bar is shown on the right
4. On a new line insert a markdown text (eg. bold)
5. Hit the enter key on the keyboard

Verify that: the text input should scroll automatically down to reveal the new line.

Linked PRs

[BartoszGrajdek]

Code LGTM! I will test it tomorrow 👀

[Skalakid]

LGTM, left one comment

[BartoszGrajdek]

Tested, it's working well ✅

Please follow the suggestion above so we can merge this 🙌🏻

[dominictb]

done!