* Navigation: Start creating new NavBarMenu component
* Navigation: Apply new NavBarMenu to NavBarNext
* Navigation: Remove everything to do with .sidemenu-open--xs
* Navigation: Ensure search is passed to NavBarMenu
* Navigation: Standardise NavBarMenuItem
* This extra check isn't needed anymore
* Navigation: Refactor <li> out of NavBarMenu
* Navigation: Combine NavBarMenuItem with DropdownChild
* use spread syntax since performance shouldn't be a concern for such small arrays
* Improve active item logic
* Ensure unique keys
* Remove this duplicate code
* Add unit tests for getActiveItem
* Add tests for NavBarMenu
* Rename mobileMenuOpen -> menuOpen in NavBarNext (since it can be used for mobile menu or megamenu)
* just use index to key the items
* Use exact versions of @react-aria packages
* Navigation: Make the dropdown header a NavBarMenuItem
* Navigation: Stop using dropdown-menu for styles
* Navigation: Hide divider in NavBarMenu + tweak color on section header
* Navigation: Remove plus button behind feature toggle
* Navigation: Add home button behind feature toggle
* Navigation: Move settings/admin to bottom section behind feature toggle
* Navigation: Refactor grafana logo to be a NavBarItem
* Navigation: Create new PluginSection and styling changes to support new sections
* Navigation: Hack to use mobile menu as a mega menu for now
* Navigation: Only render plugin section if there are items
* Navigation: mobile menu is always 100% width if toggle is off
* Navigation: Reset width back to 48 and fix broken css property
* Navigation: Create generic NavBarSection component to reduce repetition
* Navigation: Don't show sublinks for core items
* Navigation: Comments from UX review
* Navigation: Remove mobile menu hack
* Navigation: Unit tests for enrichConfigItems and other minor review comments
* Navigation: Move section logic to backend
* Navigation: Refactor alerting links out into a separate function
* Navigation: More tests for isLinkActive
* Linting...
* Navigation: Create new NavBar component for when feature toggle is enabled