refactor(core): set up framework injector profile exclusively when `W…

…eakRef` is defined

In some cases in G3 `WeakRef` is undefined because some tests are executed on older unsupported browsers.

packages/core/src/render3/util/global_utils.ts

@@ -71,8 +71,9 @@ export function publishDefaultGlobalUtils() {
  if (!_published) {
  _published = true;
 
- if (typeof window !== 'undefined') {
- // Only configure the injector profiler when running in the browser.
+ // Only configure the injector profiler when running in the browser and WeakRef is defined.
+ // In some G3 tests WeakRef is undefined as they user older (unsupported) browsers to test.
+ if (typeof window !== 'undefined' && typeof WeakRef !== 'undefined') {
  setupFrameworkInjectorProfiler();
  }