Fixes #8498: Fix display of selected content type filters in object list views

docs/release-notes/version-3.1.md

@@ -19,6 +19,7 @@
 * [#8425](https://github.com/netbox-community/netbox/issues/8425) - Fix exception when viewing change list/records with removed plugins
 * [#8456](https://github.com/netbox-community/netbox/issues/8456) - Fix redundant display of VRF RD in prefix view
 * [#8465](https://github.com/netbox-community/netbox/issues/8465) - Accept empty string values for Interface `rf_channel` in REST API
+* [#8498](https://github.com/netbox-community/netbox/issues/8498) - Fix display of selected content type filters in object list views
 * [#8499](https://github.com/netbox-community/netbox/issues/8499) - Content types REST API endpoint should not require model permission
 * [#8512](https://github.com/netbox-community/netbox/issues/8512) - Correct file permissions to allow execution of housekeeping script
 

netbox/utilities/forms/utils.py

@@ -127,12 +127,13 @@ def get_selected_values(form, field_name):
     if not hasattr(field, 'choices'):
         return [str(filter_data)]
 
-    # Get choice labels
+    # Model choice field
     if type(field.choices) is forms.models.ModelChoiceIterator:
-        # Field uses dynamic choices: show all that have been populated on the widget
-        values = [
-            subwidget.choice_label for subwidget in form[field_name].subwidgets
-        ]
+        # If this is a single-choice field, wrap its value in a list
+        if not hasattr(filter_data, '__iter__'):
+            values = [filter_data]
+        else:
+            values = filter_data
 
     else:
         # Static selection field