core: make Provider SerializerModel

authentik/core/api/providers.py

@@ -14,13 +14,26 @@ class ProviderSerializer(ModelSerializer):
         """Get object type so that we know which API Endpoint to use to get the full object"""
         return obj._meta.object_name.lower().replace("provider", "")
 
+    def to_representation(self, instance: Provider):
+        # pyright: reportGeneralTypeIssues=false
+        if instance.__class__ == Provider:
+            return super().to_representation(instance)
+        return instance.serializer(instance=instance).data
+
     class Meta:
 
         model = Provider
-        fields = ["pk", "name", "authorization_flow", "property_mappings", "__type__"]
+        fields = [
+            "pk",
+            "name",
+            "application",
+            "authorization_flow",
+            "property_mappings",
+            "__type__",
+        ]
 
 
-class ProviderViewSet(ReadOnlyModelViewSet):
+class ProviderViewSet(ModelViewSet):
     """Provider Viewset"""
 
     queryset = Provider.objects.all()