fix: icm rest endpoint should be truthy to construct a valid api url (#…

…1367)

When the browser does not have the apiToken cookie and the angular application is in SSR mode, the
ApiService#constructUrlForPath function is called before the getRestEndpoint selector is properly
initialized.
This leads to an incorrect ICM token retrieval URL

src/app/core/services/api/api.service.ts

@@ -131,7 +131,7 @@ export class ApiService {
       return of(path);
     }
     return combineLatest([
-      this.store.pipe(select(getRestEndpoint)),
+      this.store.pipe(select(getRestEndpoint), whenTruthy()),
       this.getLocale$(options),
       this.getCurrency$(options),
       of('/'),