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/enterprise/self-hosted/self_hosted_purchase_spec.ts

@@ -20,6 +20,7 @@
 // * Change mattermost-server utils/license.go to test public key
 //     * e.g. see (https://github.com/mattermost/mattermost-server/pull/16778/files)
 
+import {UserProfile} from '@mattermost/types/users';
 import * as TIMEOUTS from '../../../../fixtures/timeouts';
 
 function verifyPurchaseModal() {
@@ -136,7 +137,7 @@ function getCurrentUsers(): Cypress.Chainable<number> {
 }
 
 describe('Self hosted Purchase', () => {
-    let adminUser: Cypress.UserProfile | undefined;
+    let adminUser: UserProfile;
 
     beforeEach(() => {
         // prevent failed tests from bleeding over
@@ -145,9 +146,9 @@ describe('Self hosted Purchase', () => {
 
     before(() => {
         cy.apiInitSetup().then(() => {
-            cy.apiAdminLogin().then((result) => {
+            cy.apiAdminLogin().then(({user}) => {
                 // assertion because current typings are wrong.
-                adminUser = (result as unknown as {user: Cypress.UserProfile}).user;
+                adminUser = user;
                 cy.apiDeleteLicense();
                 cy.visit('/');