[Pricing] Add option to convert received items currency (#8970)

* Add new global setting

* Convert to base currency on receipt

* Fix total price rendering in PO table

* Fix for tasks.py

* Update .gitignore

- Ignore auto-generated files

* Update docs

Improved documentation for pricing/currency support

* Updates

* Fix caching for default currency

- Now managed better by session caching

* Add unit test for new feature

* Playwright test fixes

* Validate copying of media files

* Validate media files

* Adjust playwright setup

* Allow multiple attempts to fetch release information

* Tweak unit tests

* Revert changes to .gitignore file

- Just trying stuff at this point

* Add debug msg

* Try hard-coded paths

* Remove debug prints

* Abs path for database

* More debug

* Fix typos

* Revert change to db name

* Remove debug statements (again)

* Cleanup playwright tests

* More test tweaks

---------

Co-authored-by: Matthias Mair <code@mjmair.com>

src/frontend/tests/pui_printing.spec.ts

@@ -60,6 +60,8 @@ test('Report Printing', async ({ page }) => {
 
   // Navigate to a specific PurchaseOrder
   await page.getByRole('tab', { name: 'Purchasing' }).click();
+  await page.getByRole('tab', { name: 'Purchase Orders' }).click();
+
   await page.getByRole('cell', { name: 'PO0009' }).click();
 
   // Select "print report"