Add actor to objects.

lib/pleroma/web/twitter_api/twitter_api.ex

@@ -37,7 +37,8 @@ def create_status(user = %User{}, data = %{}) do
         "content" => content_html,
         "published" => date,
         "context" => context,
-        "attachment" => attachments
+        "attachment" => attachments,
+        "actor" => user.ap_id
       },
       "published" => date,
       "context" => context

test/web/twitter_api/twitter_api_test.exs

@@ -32,6 +32,7 @@ test "create a status" do
 
     assert get_in(activity.data, ["object", "content"]) == "Hello again, <a href='shp'>@shp</a>."
     assert get_in(activity.data, ["object", "type"]) == "Note"
+    assert get_in(activity.data, ["object", "actor"]) == user.ap_id
     assert get_in(activity.data, ["actor"]) == user.ap_id
     assert Enum.member?(get_in(activity.data, ["to"]), User.ap_followers(user))
     assert Enum.member?(get_in(activity.data, ["to"]), "https://www.w3.org/ns/activitystreams#Public")