Fix duplication of commits header on commits page

What does this MR do?

This MR fixes a duplication of commits header on the commits page.
See screenshots below.

Details

To prevent a duplication I check the commits headers and remove extra ones.

Screenshots (if relevant)

Before	After

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Tests
  • Added for this feature/bug
  • 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 #13879 (closed)