Selection lists updates (#11705)

* Add search capability to selection list entry endpoint

* Use API lookup for selection entries

* Add renderer func

* Allow API filtering

* Fetch selectionentry data related to the selected data item

* remove now unneeded entry

* add missing modelinfo

* fix ref

* add api bump

* Provide optional single fetch function to API forms

- Useful if we need to perform a custom API call for initial data

* django-admin support for SelectionList

* Docstring improvements

* Apply 'active' filter

* Tweak api version entry

* Playwright tests

* Tweak docs wording

* Fix incorrect docstring

* Adjust playwright tests

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

src/frontend/lib/enums/ApiEndpoints.tsx

@@ -64,7 +64,7 @@ export enum ApiEndpoints {
   content_type_list = 'contenttype/',
   icons = 'icons/',
   selectionlist_list = 'selection/',
-  selectionlist_detail = 'selection/:id/',
+  selectionentry_list = 'selection/:id/entry/',
 
   // Barcode API endpoints
   barcode = 'barcode/',