Checkbox icons and style doesn't match notion

[FranciscoMoretti]

Description

The checkbox visuals are a bit inconsistent with an official notion page.

• For checked: The size of the check mark is a bit bigger in react-notion-x
• For unchecked: The border is a bit thinner in react-notion-x

Notion Test Page ID

Checkboxes in minimal example notion page
https://www.notion.so/Checklists-38fa73d49b8f40aab1f3f8c82332e518

Checkboxes in minimal example react-notion-x page
https://react-notion-x-demo.transitivebullsh.it/38fa73d49b8f40aab1f3f8c82332e518