Navigation: Show list of pinned items on MegaMenu (#90280)

* Navigation: Show list of pinned ites on the navigation

* Rename section to 'Bookmarks'

* Internationalization

* Rename everything to bookmarks

* Update public/app/core/reducers/navBarTree.ts

Co-authored-by: Alex Khomenko <Clarity-89@users.noreply.github.com>

* Ignore empty message as well

* Dont update navigation if there is an error patching

---------

Co-authored-by: Alex Khomenko <Clarity-89@users.noreply.github.com>

docs/sources/developers/http_api/preferences.md

@@ -53,7 +53,7 @@ Content-Type: application/json
     "timezone": "utc",
     "weekStart": "",
     "navbar": {
-        "savedItemIds": null
+        "bookmarkIds": null
     },
     "queryHistory": {
         "homeTab": ""
@@ -142,7 +142,7 @@ Content-Type: application/json
     "timezone": "",
     "weekStart": "",
     "navbar": {
-        "savedItemIds": null
+        "bookmarkIds": null
     },
     "queryHistory": {
         "homeTab": ""