Remove whitespace in group links

What does this MR do?

Removes the whitespace added after the group name in the links of the groups page.

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

Not especially.

Why was this MR needed?

To make those links to cover the actual link text.

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 #29449 (closed): link to big