TopNav: A possible approach having a TopNav that lives outside route (#51301)

* Add topnav in Route

* TopBar: Good progress on a approach that looks promising

* Added some elements to top level

* Get page nav from route

* Progress

* Making breadcrumbs slightly more real

* Updates

* Memoize selector

* Removed some console.log

* correctly type iconName

* betterer updates

* Change setting to hideNav

* Rename again

Co-authored-by: Ashley Harrison <ashley.harrison@grafana.com>

packages/grafana-ui/src/types/icon.ts

@@ -106,6 +106,7 @@ export const getAvailableIcons = () =>
     'heart',
     'heart-break',
     'history',
+    'home',
     'home-alt',
     'horizontal-align-center',
     'horizontal-align-left',
@@ -179,6 +180,7 @@ export const getAvailableIcons = () =>
     'vertical-align-center',
     'vertical-align-top',
     'wrap-text',
+    'rss',
     'x',
   ] as const;