Add actor parameter to all tests requiring authorization

This commit adds actor: system_actor to all Ash operations in tests that
require authorization.

test/mv_web/user_live/index_test.exs

@@ -407,17 +407,24 @@ defmodule MvWeb.UserLive.IndexTest do
 
   describe "member linking display" do
     test "displays linked member name in user list", %{conn: conn} do
+      system_actor = Mv.Helpers.SystemActor.get_system_actor()
+
       # Create member
       {:ok, member} =
-        Mv.Membership.create_member(%{
-          first_name: "Alice",
-          last_name: "Johnson",
-          email: "alice@example.com"
-        })
+        Mv.Membership.create_member(
+          %{
+            first_name: "Alice",
+            last_name: "Johnson",
+            email: "alice@example.com"
+          },
+          actor: system_actor
+        )
 
       # Create user linked to member
       user = create_test_user(%{email: "user@example.com"})
-      {:ok, _updated_user} = Mv.Accounts.update_user(user, %{member: %{id: member.id}})
+
+      {:ok, _updated_user} =
+        Mv.Accounts.update_user(user, %{member: %{id: member.id}}, actor: system_actor)
 
       # Create another user without member
       _unlinked_user = create_test_user(%{email: "unlinked@example.com"})