Fix milestone title regression

What does this MR do?

Fixes regression introduced in 9.0 causing milestone title to be displayed incorrectly.

Why was this MR needed?

The regression causes the title to be an id reference and unusable

Screenshots (if relevant)

Before Fix

After Fix

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Tests
  • 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 #30043 (closed)