feat: add unified data migrations for dashboard and folders (#113853)

pkg/storage/unified/client.go

@@ -57,7 +57,6 @@ func ProvideUnifiedStorageClient(opts *Options,
 	storageMetrics *resource.StorageMetrics,
 	indexMetrics *resource.BleveIndexMetrics,
 ) (resource.ResourceClient, error) {
-	// See: apiserver.applyAPIServerConfig(cfg, features, o)
 	apiserverCfg := opts.Cfg.SectionWithEnvOverrides("grafana-apiserver")
 	client, err := newClient(options.StorageOptions{
 		StorageType:             options.StorageType(apiserverCfg.Key("storage_type").MustString(string(options.StorageTypeUnified))),
@@ -165,12 +164,8 @@ func newClient(opts options.StorageOptions,
 			indexConn = conn
 		}
 
-		// Create a client instance
-		client, err := resource.NewResourceClient(conn, indexConn, cfg, features, tracer)
-		if err != nil {
-			return nil, err
-		}
-		return client, nil
+		// Create a resource client
+		return resource.NewResourceClient(conn, indexConn, cfg, features, tracer)
 
 	default:
 		searchOptions, err := search.NewSearchOptions(features, cfg, tracer, docs, indexMetrics, nil)