fix

src/design/plone/policy/restapi/search_filters/get.py

@@ -59,7 +59,7 @@ def reply(self):
                         (section, self.request),
                         ISerializeToJsonSummary,
                     )()
-                    if setting.get("expandItems", True):
+                    if section_settings.get("expandItems", True):
                         children = section.listFolderContents(
                             contentFilter={"portal_type": utils.getUserFriendlyTypes()}
                         )

src/design/plone/policy/tests/test_search_filters_api.py

@@ -132,19 +132,22 @@ def test_not_expand_items(self):
         # first section has 7 children
         response = self.api_session.get("/@search-filters").json()
         self.assertEqual(len(response["sections"][0]["items"][0]["items"]), 7)
+        self.assertEqual(len(response["sections"][0]["items"][1]["items"]), 15)
 
         # change expandItems to False for the first section
         settings = json.loads(
             api.portal.get_registry_record(
                 "search_sections", interface=IDesignPloneSettings
             )
         )
-        settings[0]["expandItems"] = False
+        settings[0]["items"][0]["expandItems"] = False
         api.portal.set_registry_record(
             "search_sections", json.dumps(settings), interface=IDesignPloneSettings
         )
         commit()
 
-        # first section now has only 1 child
         response = self.api_session.get("/@search-filters").json()
+        # first item now has only 1 child
         self.assertEqual(len(response["sections"][0]["items"][0]["items"]), 1)
+        # second item still has 15 children
+        self.assertEqual(len(response["sections"][0]["items"][1]["items"]), 15)