message: perf(ivy): use string concatination instead template string
  PR Close
diff: @@ -157,7 +157,7 @@ class DefaultDomRenderer2 implements Renderer2 {
  setAttribute(el: any, name: string, value: string, namespace?: string): void {
  if (namespace) {
  - name = `${namespace}:${name}`;
  + name = namespace + ':' + name;
  // TODO(benlesh): Ivy may cause issues here because it's passing around
  // full URIs for namespaces, therefore this lookup will fail.
  const namespaceUri = NAMESPACE_URIS[namespace];
  