[CI] Playwright improvements (#9395)

* Allow port 4173 (vite preview)

* Change 'base' attr based on vite command

* Allow api_host to be specified separately

* Harden API host functionality

* Adjust server selections

* Cleanup vite.config.ts

* Adjust playwright configuration

- Allow to run in "production" mode
- Builds the code first
- Runs only the backend web server
- Not suitable for coverage

* Tweak github actions

* Tweak QC file

* Reduce number of steps

* Tweak CI file

* Fix typo

* Ensure translation before build

* Fix hard-coded test

* Test tweaks

* uncomment

* Revert some changes

* Run with gunicorn, single worker

* Reduce log output in DEBUG mode

* Update deps

* Add global-setup func

* Fix for .gitignore file

* Cached auth state

* Tweak login func

* Updated tests

* Enable parallel workers again

* Simplify config

* Try with a single worker again

* Single retry mode

* Run auth setup first

- Prevent issues with parallel test doing login

* Improve test setup process

* Tweaks

* Bump to 3 workers

* Tweak playwright settings

* Revert change

* Revert change

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

@@ -1,13 +1,13 @@
 import { test } from '../baseFixtures.js';
 import { loadTab, navigate } from '../helpers.js';
-import { doQuickLogin } from '../login.js';
+import { doCachedLogin } from '../login.js';
 
-test('Core User/Group/Contact', async ({ page }) => {
-  await doQuickLogin(page);
+test('Core User/Group/Contact', async ({ browser }) => {
+  const page = await doCachedLogin(browser);
 
   // groups
   await navigate(page, '/core');
-  await page.getByText('System Overview', { exact: true }).click();
+  await page.getByText('System Overview', { exact: true }).first().click();
   await loadTab(page, 'Groups');
   await page.getByRole('cell', { name: 'all access' }).click();
   await page.getByText('Group: all access', { exact: true }).click();