Fix page scrolling to top on sidebar toggle

What does this MR do?

Prevents page from scrolling to the top when a user clicks sidebar closing hamburger icon as well as when a user is toggling sidebar pinning.

Why was this MR needed?

When a user is closing the sidebar or pinning the sidebar the scroll position of the page should not be affected.

Does this MR meet the acceptance criteria?

• CHANGELOG entry added
• 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 you do - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes #22851 (closed)