MM-47287 Refactor/migrate bot accounts to typescript (#28347)

* refactor: convert bot_api_1_spec.js to typescript

- convert file bot_accounts/bot_api_1_spec.js to typescript
- update related data types in order to fix argument issues

* refactor: convert bot_api_not_cloud_spec.js to ts

- convert file bot_accounts/bot_api_not_cloud_spec.js to typescript
- update related data types in order to fix argument issues

* refactor: convert bot_channel_intro_spec.js to ts

- convert file bot_accounts/bot_channel_intro_spec.js to typescript
- convert support/api/bots.js to typescript
- remove data type bot.d.ts and include docs and definitions in
 support/api/bots.ts

* refactor: convert bot_accounts files to ts

- convert files from js to typescript
- move declaration files to ts
- update js docs
- fix lint and type errors

Related to #21303

* fix: replace params undefined on client.createUser

- replace undefined params with empty strings as suggested in review

* fix: add types to variables on spec tags_spec.ts

- add types to variables

* fix: update args for apiCreateBot on api/bots.ts

- update args so that lint issue is fixed

* Apply suggestions from code review

update assertion to 401

---------

Co-authored-by: Saturnino Abril <5334504+saturninoabril@users.noreply.github.com>

e2e-tests/cypress/tests/integration/channels/bot_accounts/helpers.ts

@@ -0,0 +1,33 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+import {Team} from '@mattermost/types/teams';
+import {getRandomId} from '../../../utils';
+import * as TIMEOUTS from '../../../fixtures/timeouts';
+
+export function createBotInteractive(team: Team, username = `bot-${getRandomId()}`) {
+    // # Visit the Integrations > Bot Accounts page
+    cy.visit(`/${team.name}/integrations/bots`);
+
+    // # Click add bot
+    cy.get('#addBotAccount').click();
+
+    // # Fill and submit form
+    cy.get('#username').type(username);
+    cy.get('#displayName').type('Test Bot');
+    cy.get('#saveBot').click();
+
+    // * Verify confirmation page
+    cy.url({timeout: TIMEOUTS.ONE_MIN}).
+        should('include', `/${team.name}/integrations/confirm`).
+        should('match', /token=[a-zA-Z0-9]{26}/);
+
+    // * Verify confirmation form/token
+    cy.get('div.backstage-form').
+        should('include.text', 'Setup Successful').
+        should((confirmation) => {
+            expect(confirmation.text()).to.match(/Token: [a-zA-Z0-9]{26}/);
+        });
+
+    return cy.get('div.backstage-form').invoke('text');
+}