refactor: convert channel_moderation files to ts (#28482)

* refactor: convert channel_moderation files to ts

- convert js files to ts
- update data types accordingly
- fix lint issues

Fixes: #21332

* fix: update argument type for visitChannel

- update type
- fix types issues

* refactor: change return type for getAdminAccount()

- change return type to getAdminAccount as UserProfile

e2e-tests/cypress/tests/support/env.ts

@@ -1,6 +1,8 @@
 // Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
 // See LICENSE.txt for license information.
 
+import {UserProfile} from '@mattermost/types/users';
+
 export interface User {
     username: string;
     password: string;
@@ -12,7 +14,7 @@ export function getAdminAccount() {
         username: Cypress.env('adminUsername'),
         password: Cypress.env('adminPassword'),
         email: Cypress.env('adminEmail'),
-    };
+    } as UserProfile;
 }
 
 export function getDBConfig() {

e2e-tests/cypress/tests/support/external_commands.ts

@@ -13,7 +13,7 @@ import {getRandomId} from '../utils';
 function externalActivateUser(userId: string, active = true) {
     const admin = getAdminAccount();
 
-    cy.externalRequest({user: admin, method: 'PUT', path: `users/${userId}/active`, data: {active}});
+    return cy.externalRequest({user: admin, method: 'PUT', path: `users/${userId}/active`, data: {active}});
 }
 Cypress.Commands.add('externalActivateUser', externalActivateUser);