Update comments design

[carolromero]

Is your new feature request related to a problem?

During the redesign process, we agreed on a new interface for the comments that, due to contract limitations, we were not able to implement.

Describe the solution you desire

Implement the agreed design for the comments.

Mockups

Prototype

Figma file

Acceptance criteria

• [ ] Given that I am a visitor, when I navigate to a comments section, then I see the updated design.