fix: don't clobber loaded data on update

lib/data_layer.ex

@@ -1993,6 +1993,13 @@ defmodule AshPostgres.DataLayer do
                )}
 
             {1, [record]} ->
+              record =
+                changeset.resource
+                |> Ash.Resource.Info.attributes()
+                |> Enum.reduce(changeset.data, fn attribute, data ->
+                  Map.put(data, attribute.name, Map.get(record, attribute.name))
+                end)
+
               maybe_update_tenant(resource, changeset, record)
 
               {:ok, record}

test/calculation_test.exs

@@ -519,8 +519,6 @@ defmodule AshPostgres.CalculationTest do
   end
 
   test "nested get_path works" do
-    Logger.configure(level: :debug)
-
     assert "thing" =
              Post
              |> Ash.Changeset.new(%{title: "match", price: 10_024, stuff: %{foo: %{bar: "thing"}}})