TwitterAPI: Fix dm_timeline displaying only half of the conversation.

lib/pleroma/web/twitter_api/twitter_api_controller.ex

@@ -130,7 +130,7 @@ def dm_timeline(%{assigns: %{user: user}} = conn, params) do
     query =
       ActivityPub.fetch_activities_query(
         [user.ap_id],
-        Map.merge(params, %{"type" => "Create", visibility: "direct"})
+        Map.merge(params, %{"type" => "Create", "user" => user, visibility: "direct"})
       )
 
     activities = Repo.all(query)

test/web/twitter_api/twitter_api_controller_test.exs

@@ -284,6 +284,12 @@ test "it show direct messages", %{conn: conn} do
           "visibility" => "direct"
         })
 
+      {:ok, direct_two} =
+        CommonAPI.post(user_two, %{
+          "status" => "Hi @#{user_one.nickname}!",
+          "visibility" => "direct"
+        })
+
       {:ok, _follower_only} =
         CommonAPI.post(user_one, %{
           "status" => "Hi @#{user_two.nickname}!",
@@ -296,8 +302,9 @@ test "it show direct messages", %{conn: conn} do
         |> assign(:user, user_two)
         |> get("/api/statuses/dm_timeline.json")
 
-      [status] = json_response(res_conn, 200)
-      assert status["id"] == direct.id
+      [status, status_two] = json_response(res_conn, 200)
+      assert status["id"] == direct_two.id
+      assert status_two["id"] == direct.id
     end
   end