[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>

docs/mkdocs.yml

@@ -78,6 +78,7 @@ nav:
       - Terminology: concepts/terminology.md
       - Physical Units: concepts/units.md
       - Custom States: concepts/custom_states.md
+      - Pricing: concepts/pricing.md
     - Development:
       - Contributing: develop/contributing.md
       - Devcontainer: develop/devcontainer.md
@@ -157,7 +158,6 @@ nav:
       - Single Sign on: settings/SSO.md
       - Multi Factor Authentication: settings/MFA.md
       - Email: settings/email.md
-      - Currency Support: settings/currency.md
     - Export Data: settings/export.md
     - Import Data: settings/import.md
     - Operations: