✨ Implement Xcode's design for notifications

[tom-ludwig]

Description

As discussed on Discord, the current implementation unnecessarily shows only one notification at a time. We should update it to display multiple notifications simultaneously, improving usability and aligning with user expectations.

Alternatives Considered

No response

Additional Context

No response

Screenshots

Current:

Planned:

[austincondiff]

I don't think we need to include the percentage to the right of the headline.

[austincondiff]

Closing, this was done previously.