Clean up, update Webhook models

netbox/extras/models.py

@@ -26,6 +26,10 @@ from .querysets import ConfigContextQuerySet
 # Webhooks
 #
 
+def get_webhook_models():
+    return model_names_to_filter_dict(WEBHOOK_MODELS)
+
+
 class Webhook(models.Model):
     """
     A Webhook defines a request that will be sent to a remote application when an object is created, updated, and/or
@@ -37,7 +41,7 @@ class Webhook(models.Model):
         to=ContentType,
         related_name='webhooks',
         verbose_name='Object types',
-        limit_choices_to={'model__in': WEBHOOK_MODELS},
+        limit_choices_to=get_webhook_models,
         help_text="The object(s) to which this Webhook applies."
     )
     name = models.CharField(