23545 Fix distorted project and group avatars

What does this MR do?

Wraps project and group avatars in image container to prevent distortion

Are there points in the code the reviewer needs to double check?

• Group/project lists
• Group/project pages
• Group/project admin pages
• Group/project edit pages

Screenshots (if relevant)

Before

After

Does this MR meet the acceptance criteria?

• CHANGELOG entry added
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #23545 (closed)