[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/playwright/.gitignore

@@ -0,0 +1,3 @@
+# Ignore auth cache
+auth/
+*.json

src/frontend/playwright/global-setup.ts

@@ -0,0 +1,45 @@
+import { type FullConfig, chromium } from '@playwright/test';
+
+import fs from 'node:fs';
+import path from 'node:path';
+import { doCachedLogin } from '../tests/login';
+
+async function globalSetup(config: FullConfig) {
+  const authDir = path.resolve('./playwright/auth');
+
+  if (fs.existsSync(authDir)) {
+    // Clear out the cached authentication states
+    fs.rm(path.resolve('./playwright/auth'), { recursive: true }, (err) => {
+      if (err) {
+        console.error('Failed to clear out cached authentication states:', err);
+      } else {
+        console.log('Removed cached authentication states');
+      }
+    });
+  }
+
+  // Perform login for each user
+  const browser = await chromium.launch();
+
+  await doCachedLogin(browser, {
+    username: 'admin',
+    password: 'inventree'
+  });
+
+  await doCachedLogin(browser, {
+    username: 'allaccess',
+    password: 'nolimits'
+  });
+
+  await doCachedLogin(browser, {
+    username: 'reader',
+    password: 'readonly'
+  });
+
+  await doCachedLogin(browser, {
+    username: 'steven',
+    password: 'wizardstaff'
+  });
+}
+
+export default globalSetup;