Revise nav submenus to work with mobile
requested to merge 1123-it-should-be-easier-to-find-ee-specific-page-and-ee-features-pages into master
What does this MR do
- Add down carets to menu items that have a dropdown submenu
Why was it needed
- It isn't obvious as to which menu items are dropdowns and which are links
Screenshots
Closes #1123 (closed)