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/integration/channels/ad_ldap/saml_ldap_sync_id_attrib_spec.ts

@@ -14,13 +14,14 @@
 
 // Group: @channels @enterprise @ldap @saml @keycloak
 
+import {LdapUser} from 'tests/support/ldap_server_commands';
 import {getAdminAccount} from '../../../support/env';
 import {getRandomId} from '../../../utils';
 import {getKeycloakServerSettings} from '../../../utils/config';
 
 describe('AD / LDAP', () => {
-    let samlLdapUser;
-    let testTeamId;
+    let samlLdapUser: LdapUser;
+    let testTeamId: string;
 
     before(() => {
         cy.shouldNotRunOnCloudEdition();

e2e-tests/cypress/tests/integration/channels/ad_ldap/saml_ldap_sync_remove_spec.ts

@@ -15,14 +15,14 @@
 // Group: @channels @enterprise @ldap @saml @keycloak
 
 import {getAdminAccount} from '../../../support/env';
-import {generateLDAPUser} from '../../../support/ldap_server_commands';
+import {generateLDAPUser, LdapUser} from '../../../support/ldap_server_commands';
 import {getKeycloakServerSettings} from '../../../utils/config';
 
 describe('AD / LDAP', () => {
     const nonLDAPUser = generateLDAPUser();
 
-    let samlLdapUser;
-    let testTeamId;
+    let samlLdapUser: LdapUser;
+    let testTeamId: string;
 
     before(() => {
         cy.createLDAPUser().then((user) => {

e2e-tests/cypress/tests/integration/channels/ad_ldap/saml_ldap_sync_spec.ts

@@ -14,6 +14,7 @@
 
 // Group: @channels @enterprise @ldap @saml @keycloak
 
+import {LdapUser} from 'tests/support/ldap_server_commands';
 import {getAdminAccount} from '../../../support/env';
 import {getRandomId} from '../../../utils';
 import {getKeycloakServerSettings} from '../../../utils/config';
@@ -22,8 +23,8 @@ describe('AD / LDAP', () => {
     const admin = getAdminAccount();
     const samlConfig = getKeycloakServerSettings();
 
-    let samlLdapUser;
-    let testTeamId;
+    let samlLdapUser: LdapUser;
+    let testTeamId: string;
 
     before(() => {
         cy.shouldNotRunOnCloudEdition();