Live: broadcast events when dashboard is saved (#27583)

Co-authored-by: kay delaney <45561153+kaydelaney@users.noreply.github.com>
Co-authored-by: Torkel Ödegaard <torkel@grafana.org>

public/app/core/components/Select/FolderPicker.test.tsx

@@ -3,6 +3,7 @@ import { shallow } from 'enzyme';
 import { FolderPicker } from './FolderPicker';
 
 jest.mock('@grafana/runtime', () => ({
+  ...((jest.requireActual('@grafana/runtime') as unknown) as object),
   getBackendSrv: () => ({
     search: jest.fn(() => [
       { title: 'Dash 1', id: 'A' },