Refresh the object in CommonAPI.vote instead of MastoAPI controller

lib/pleroma/web/common_api/common_api.ex

@@ -141,6 +141,7 @@ def vote(user, object, choices) do
           })
         end)
 
+      object = Object.get_cached_by_ap_id(object.data["id"])
       {:ok, answer_activities, object}
     else
       {:author, _} -> {:error, "Already voted"}

lib/pleroma/web/mastodon_api/mastodon_api_controller.ex

@@ -436,8 +436,6 @@ def poll_vote(%{assigns: %{user: user}} = conn, %{"id" => id, "choices" => choic
          %Activity{} = activity <- Activity.get_create_by_object_ap_id(object.data["id"]),
          true <- Visibility.visible_for_user?(activity, user),
          {:ok, _activities, object} <- CommonAPI.vote(user, object, choices) do
-      object = Object.get_cached_by_ap_id(object.data["id"])
-
       conn
       |> put_view(StatusView)
       |> try_render("poll.json", %{object: object, for: user})