Use content type cache in page search view

wagtail/admin/tests/pages/test_page_search.py

@@ -33,7 +33,7 @@ class TestPageSearch(WagtailTestUtils, TransactionTestCase):
         self.assertTemplateUsed(response, "wagtailadmin/pages/search.html")
         self.assertEqual(response.status_code, 200)
 
-        with self.assertNumQueries(23):
+        with self.assertNumQueries(22):
             self.get()
 
     def test_search(self):

wagtail/admin/views/pages/search.py

@@ -114,7 +114,7 @@ class SearchView(PageListingMixin, PermissionCheckedMixin, BaseListingView):
         # Facets
         if pages.supports_facet:
             self.content_types = [
-                (ContentType.objects.get(id=content_type_id), count)
+                (ContentType.objects.get_for_id(content_type_id), count)
                 for content_type_id, count in self.all_pages.facet(
                     "content_type_id"
                 ).items()