[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/package.json

@@ -41,6 +41,7 @@
         "@mantine/notifications": "^7.16.0",
         "@mantine/spotlight": "^7.16.0",
         "@mantine/vanilla-extract": "^7.16.0",
+        "@messageformat/date-skeleton": "^1.1.0",
         "@sentry/react": "^8.43.0",
         "@tabler/icons-react": "^3.17.0",
         "@tanstack/react-query": "^5.56.2",
@@ -83,7 +84,7 @@
         "@lingui/cli": "^5.3.0",
         "@lingui/macro": "^5.3.0",
         "@playwright/test": "^1.49.1",
-        "@types/node": "^22.6.0",
+        "@types/node": "^22.13.14",
         "@types/qrcode": "^1.5.5",
         "@types/react": "^18.3.8",
         "@types/react-dom": "^18.3.0",
@@ -94,6 +95,7 @@
         "@vitejs/plugin-react": "^4.3.4",
         "babel-plugin-macros": "^3.1.0",
         "nyc": "^17.1.0",
+        "path": "^0.12.7",
         "rollup": "^4.0.0",
         "rollup-plugin-license": "^3.5.3",
         "typescript": "^5.8.2",