Plugin Admin App: make the catalog look like internal component (#34341)

* Allow Route component usage in app plugins

* i tried

* fix catalog app

* fix catalog app

* fix catalog app

* cleanup imports

* plugin catalog enabled to plugin admin

* rename plugin catalog to plugin admin

* expose catalog url

* update text

* import from react-router-dom

* fix imports -- add logging

* merge changes

* avoid onNavUpdate

* Fixed onNavChange issues

* fix library imports

* more links

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>
Co-authored-by: Torkel Ödegaard <torkel@grafana.com>

pkg/tests/api/plugins/api_install_test.go

@@ -26,7 +26,7 @@ const (
 
 func TestPluginInstallAccess(t *testing.T) {
 	dir, cfgPath := testinfra.CreateGrafDir(t, testinfra.GrafanaOpts{
-		CatalogAppEnabled: true,
+		PluginAdminEnabled: true,
 	})
 	store := testinfra.SetUpDatabase(t, dir)
 	store.Bus = bus.GetBus() // in order to allow successful user auth