[PM-5971] Fix Payment Method Warning Bugs (#7923)

* Rework implementation of payment method warnings

* Move payment-method-warnings.component to module

* Moved timer/subscribe to app.component

* Remove unrelated refactoring

* Remaining feedback

* Add paymentMethodWarningsService tests

* Thomas' feedback

* fix tests

* Use barrel file imports

* Make banner work with new vault navigation

* Matt's feedback

bitwarden_license/bit-web/src/app/admin-console/providers/setup/setup.component.ts

@@ -4,6 +4,8 @@ import { first } from "rxjs/operators";
 
 import { ApiService } from "@bitwarden/common/abstractions/api.service";
 import { ProviderSetupRequest } from "@bitwarden/common/admin-console/models/request/provider/provider-setup.request";
+import { FeatureFlag } from "@bitwarden/common/enums/feature-flag.enum";
+import { ConfigServiceAbstraction as ConfigService } from "@bitwarden/common/platform/abstractions/config/config.service.abstraction";
 import { CryptoService } from "@bitwarden/common/platform/abstractions/crypto.service";
 import { I18nService } from "@bitwarden/common/platform/abstractions/i18n.service";
 import { PlatformUtilsService } from "@bitwarden/common/platform/abstractions/platform-utils.service";
@@ -27,6 +29,11 @@ export class SetupComponent implements OnInit {
   name: string;
   billingEmail: string;
 
+  protected showPaymentMethodWarningBanners$ = this.configService.getFeatureFlag$(
+    FeatureFlag.ShowPaymentMethodWarningBanners,
+    false,
+  );
+
   constructor(
     private router: Router,
     private platformUtilsService: PlatformUtilsService,
@@ -36,6 +43,7 @@ export class SetupComponent implements OnInit {
     private apiService: ApiService,
     private syncService: SyncService,
     private validationService: ValidationService,
+    private configService: ConfigService,
   ) {}
 
   ngOnInit() {