[UI] Build order visual enhancements (#9931)

* Adjust UI wording

- Separation between "items" and "stock"

* Add info panel if build order has no required items

* Fixes for playwright testing

- Ensure cookies are completely cleaned  between sessions
- Fix base URL based on vite command
- Fix samesite cookie mode
- Prevent /static/ files being served by web server on :8000

* Remove gunicorn option

* Fix unit test

* Readjust base URL

* Simplify doCachedLogin

* Adjust text

* Ensure translations are extracted

- Otherwise, playwright will not find the right strings...

* Make admin test more reliable

* Remove asynciness

* Fix <AttachmentLink>

- Allow null "attachment" value

* Better implementation

* Cleanup

src/frontend/tests/pui_settings.spec.ts

@@ -197,17 +197,19 @@ test('Settings - Admin - Barcode History', async ({ browser, request }) => {
   // Scan some barcodes (via API calls)
   const barcodes = ['ABC1234', 'XYZ5678', 'QRS9012'];
 
-  barcodes.forEach(async (barcode) => {
+  for (let i = 0; i < barcodes.length; i++) {
+    const barcode = barcodes[i];
     const url = new URL('barcode/', apiUrl).toString();
     await request.post(url, {
       data: {
         barcode: barcode
       },
+      timeout: 5000,
       headers: {
         Authorization: `Basic ${btoa('admin:inventree')}`
       }
     });
-  });
+  }
 
   await page.getByRole('button', { name: 'admin' }).click();
   await page.getByRole('menuitem', { name: 'Admin Center' }).click();