refactor: 💡 remove route-action usage for auth-methods (#2178)

* refactor: 💡 remove route-action usage for auth-methods

✅ Closes: https://hashicorp.atlassian.net/browse/ICU-12603

ui/admin/app/controllers/scopes/scope/auth-methods/auth-method/accounts/index.js

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: MPL-2.0
  */
 
-import Controller from '@ember/controller';
+import Controller, { inject as controller } from '@ember/controller';
 import { action } from '@ember/object';
 import { inject as service } from '@ember/service';
 import { loading } from 'ember-loading';
@@ -11,6 +11,8 @@ import { confirm } from 'core/decorators/confirm';
 import { notifySuccess, notifyError } from 'core/decorators/notify';
 
 export default class ScopesScopeAuthMethodsAuthMethodAccountsIndexController extends Controller {
+  @controller('scopes/scope/auth-methods/index') authMethods;
+
   // =services
 
   @service can;

ui/admin/app/controllers/scopes/scope/auth-methods/auth-method/index.js

@@ -0,0 +1,5 @@
+import Controller, { inject as controller } from '@ember/controller';
+
+export default class ScopesScopeAuthMethodsAuthMethodIndexController extends Controller {
+  @controller('scopes/scope/auth-methods/index') authMethods;
+}

ui/admin/app/controllers/scopes/scope/auth-methods/auth-method/managed-groups/index.js

@@ -3,7 +3,7 @@
  * SPDX-License-Identifier: MPL-2.0
  */
 
-import Controller from '@ember/controller';
+import Controller, { inject as controller } from '@ember/controller';
 import { action } from '@ember/object';
 import { inject as service } from '@ember/service';
 import { loading } from 'ember-loading';
@@ -11,6 +11,8 @@ import { confirm } from 'core/decorators/confirm';
 import { notifySuccess, notifyError } from 'core/decorators/notify';
 
 export default class ScopesScopeAuthMethodsAuthMethodManagedGroupsIndexController extends Controller {
+  @controller('scopes/scope/auth-methods/index') authMethods;
+
   // =services
 
   @service can;