Features: 1) Add DALFChoicesField to admin imports; 2) Enhance list_filter with DALFChoicesField for multiple fields;

Fixes: 1) None;

Extra: 1) Refactor `list_filter` for improved consistency.

core/admin.py

@@ -2,7 +2,7 @@ from contextlib import suppress
 
 from constance.admin import Config
 from constance.admin import ConstanceAdmin as BaseConstanceAdmin
-from dalf.admin import DALFModelAdmin, DALFRelatedFieldAjax, DALFRelatedOnlyField
+from dalf.admin import DALFModelAdmin, DALFRelatedFieldAjax, DALFRelatedOnlyField, DALFChoicesField
 from django.apps import apps
 from django.contrib.admin import ModelAdmin, TabularInline, action, register, site
 from django.contrib.gis.admin import GISModelAdmin
@@ -244,14 +244,14 @@ class ProductAdmin(FieldsetsMixin, ActivationActionsMixin, DALFModelAdmin):
         "modified",
     )
     list_filter = (
-        "is_active",
-        "is_digital",
+        ("is_active", DALFChoicesField),
+        ("is_digital", DALFChoicesField),
         ("brand", DALFRelatedFieldAjax),
         ("category", DALFRelatedFieldAjax),
         ("tags", DALFRelatedFieldAjax),
         ("stocks__vendor", DALFRelatedOnlyField),
-        "created",
-        "modified",
+        ("created", DALFChoicesField),
+        ("modified", DALFChoicesField)
     )
     search_fields = (
         "name",