message: feat(core): support `forwardRef` in `providedIn` of `Injectable` declaration
  Adds support for using a `forwardRef` inside of the `providedIn` of an `Injectable` declaration.
  Fixes
  PR Close
diff: @@ -166,7 +166,7 @@ export class StaticInjector implements Injector {
  // This means we have never seen this record, see if it is tree shakable provider.
  const injectableDef = getInjectableDef(token);
  if (injectableDef) {
  - const providedIn = injectableDef && injectableDef.providedIn;
  + const providedIn = injectableDef && resolveForwardRef(injectableDef.providedIn);
  if (providedIn === 'any' || providedIn != null && providedIn === this.scope) {
  records.set(
  token,
  