Fixes timestamp text alignment in mr-list and issue-list

What does this MR do?

This MR closes regression #25909 (closed)

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

NR

Why was this MR needed?

Fixes a regression

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• Changelog entry added
• Tests
  • All builds are passing
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #25909 (closed)