refactor: convert channels/ad_ldap files to ts (#28677)

- convert js spec files to ts
- convert ldap_server_commands.js to ts

fixes: 21302

Co-authored-by: Ben Schumacher <ben.schumacher@mattermost.com>

e2e-tests/cypress/tests/support/ldap_commands.d.ts

@@ -22,7 +22,7 @@ declare namespace Cypress {
         * @param {UserProfile} admin - an admin user
         * @returns {boolean} - true if sync run successfully
         */
-        runLdapSync(admin: {UserProfile}): boolean;
+        runLdapSync(admin: UserProfile): boolean;
 
         /**
         * getLdapSyncJobStatus is a task that runs an external request for ldap_sync job status