text: Title: Marketplace - agent page - fix font on section headers, current font is too big
  Body: ### Describe your issue.
  
  <img width="1424" alt="Screenshot 2024-12-16 at 21 44 17" src="https://github.com/user-attachments/assets/83914baa-5c1a-4a2d-8cba-b21f368a0dfd" />
  <img width="1471" alt="Screenshot 2024-12-16 at 21 47 08" src="https://github.com/user-attachments/assets/3d1dc831-a920-4368-b38e-da71626617f6" />
  
  
  Change these fonts to use the **large-poppins** typography style.
  Find typography style here: https://www.figma.com/design/Ll8EOTAVIlNlbfOCqa1fG9/Agent-Store-V2?node-id=2759-9596&t=2JI1c3X9fIXeTTbE-1
  
  font-family: Poppins;
  font-size: 18px;
  font-weight: 600;
  line-height: 28px;
  text-align: left;
  text-underline-position: from-font;
  text-decoration-skip-ink: none;
  
  