dnscms: prefetch images and related objects that GraphQL listings resolve per item

dnscms/contacts/models.py

@@ -42,6 +42,12 @@ class ContactIndex(HeadlessMixin, Page):
     search_fields = Page.search_fields + [index.SearchField("body")]
 
 
+class ContactEntityManager(models.Manager):
+    def get_queryset(self):
+        # GraphQL lists load these through here; saves a query per item
+        return super().get_queryset().prefetch_related("image")
+
+
 @register_snippet
 @register_query_field("contactEntity", "contactEntities")
 class ContactEntity(models.Model):
@@ -73,6 +79,8 @@ class ContactEntity(models.Model):
         related_name="+",
     )
 
+    objects = ContactEntityManager()
+
     title_widget = forms.TextInput(attrs={"placeholder": "Navn*"})
 
     panels = [