@grafana/ui: Replace various icons using Icon component (#23442)

* Replace icons in dashboard and settings

* Replace icons in alerting

* Update batch of icons

* Implement icons accross various files

* Style updates

* Search: Fix recent and starred icons

* Update styling and details

* Replace new icon created by unicons

* Fix e2e test, styling

* Minor styling updates

Co-authored-by: Clarity-89 <homes89@ukr.net>

public/app/plugins/datasource/testdata/module.tsx

@@ -16,7 +16,7 @@ export const plugin = new DataSourcePlugin(TestDataDataSource)
   .setAnnotationQueryCtrl(TestDataAnnotationsQueryCtrl)
   .addConfigPage({
     title: 'Setup',
-    icon: 'fa fa-list-alt',
+    icon: 'list-ul',
     body: TestInfoTab,
     id: 'setup',
   });