Tests: use code interface for Member create/update (actor propagation)

test/mv_web/member_live/index_field_visibility_test.exs

@@ -16,33 +16,35 @@ defmodule MvWeb.MemberLive.IndexFieldVisibilityTest do
   import Phoenix.LiveViewTest
   require Ash.Query
 
-  alias Mv.Membership.{CustomField, CustomFieldValue, Member}
+  alias Mv.Membership.{CustomField, CustomFieldValue}
 
   setup do
     system_actor = Mv.Helpers.SystemActor.get_system_actor()
 
     # Create test members
     {:ok, member1} =
-      Member
-      |> Ash.Changeset.for_create(:create_member, %{
-        first_name: "Alice",
-        last_name: "Anderson",
-        email: "alice@example.com",
-        street: "Main St",
-        city: "Berlin"
-      })
-      |> Ash.create(actor: system_actor)
+      Mv.Membership.create_member(
+        %{
+          first_name: "Alice",
+          last_name: "Anderson",
+          email: "alice@example.com",
+          street: "Main St",
+          city: "Berlin"
+        },
+        actor: system_actor
+      )
 
     {:ok, member2} =
-      Member
-      |> Ash.Changeset.for_create(:create_member, %{
-        first_name: "Bob",
-        last_name: "Brown",
-        email: "bob@example.com",
-        street: "Second St",
-        city: "Hamburg"
-      })
-      |> Ash.create(actor: system_actor)
+      Mv.Membership.create_member(
+        %{
+          first_name: "Bob",
+          last_name: "Brown",
+          email: "bob@example.com",
+          street: "Second St",
+          city: "Hamburg"
+        },
+        actor: system_actor
+      )
 
     # Create custom field
     {:ok, custom_field} =