refactor(frontend): use central user creds (#11520)

src/frontend/tests/pages/pui_company.spec.ts

@@ -1,4 +1,5 @@
 import { test } from '../baseFixtures.js';
+import { stevenuser } from '../defaults.js';
 import {
   clearTableFilters,
   clickOnParamFilter,
@@ -57,8 +58,7 @@ test('Company', async ({ browser }) => {
 
 test('Company - Parameters', async ({ browser }) => {
   const page = await doCachedLogin(browser, {
-    username: 'steven',
-    password: 'wizardstaff',
+    user: stevenuser,
     url: 'purchasing/index/suppliers'
   });
 
@@ -75,8 +75,7 @@ test('Company - Parameters', async ({ browser }) => {
 
 test('Company - Supplier Parts', async ({ browser }) => {
   const page = await doCachedLogin(browser, {
-    username: 'steven',
-    password: 'wizardstaff',
+    user: stevenuser,
     url: 'purchasing/index/suppliers'
   });