Resolve "Mini pipeline graph with many stages has no line spacing in Firefox and Safari"

What does this MR do?

• Fix pipeline spacing in Firefox and Safari

Why was this MR needed?

• Pipeline circles where not displaying properly
• They where touching when stacked

Screenshots (if relevant)

Before

Firefox and Safari

After

Firefox, Safari, and Chrome

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 #27332 (closed)