[#INTERNAL-32] update notification centre components

[ArinzeJeffrey-droid]

Fixes #796

📸 Looks like

• git fetch
• git checkout task/internal-32-update-notification-centre-components`
• yarn
• yarn storybook
• navigate to enter component name component

Check:

• [ ] The appearance matches the design in Zeplin
• [ ] The Zeplin component is correctly linked in storybook
• [ ] The documentation for this component is correct, understandable, and up-to-date.

👾 Code changes

Check:

• [ ] The documentation for this component is correct, understandable, and up-to-date.
• [ ] The component makes good use of CSS custom properties to simplify creating variants (or doesn’t have variants).
• [ ] Everything that should be a variable, is.