Add logic for keeping follow_request_count up-to-date on the follow,

`approve_friend_request`, and `deny_friend_request` actions.
Add follow_request_count to the user view.

lib/pleroma/web/twitter_api/twitter_api_controller.ex

@@ -570,7 +570,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
          {:ok, _activity} <-
            ActivityPub.accept(%{
              to: [follower.ap_id],
-             actor: followed.ap_id,
+             actor: followed,
              object: follow_activity.data["id"],
              type: "Accept"
            }) do
@@ -590,7 +590,7 @@ defmodule Pleroma.Web.TwitterAPI.Controller do
          {:ok, _activity} <-
            ActivityPub.reject(%{
              to: [follower.ap_id],
-             actor: followed.ap_id,
+             actor: followed,
              object: follow_activity.data["id"],
              type: "Reject"
            }) do

lib/pleroma/web/twitter_api/views/user_view.ex

@@ -113,10 +113,12 @@ defmodule Pleroma.Web.TwitterAPI.UserView do
       "fields" => fields,
 
       # Pleroma extension
-      "pleroma" => %{
-        "confirmation_pending" => user_info.confirmation_pending,
-        "tags" => user.tags
-      }
+      "pleroma" =>
+        %{
+          "confirmation_pending" => user_info.confirmation_pending,
+          "tags" => user.tags
+        }
+        |> maybe_with_follow_request_count(user, for_user)
     }
 
     data =
@@ -132,6 +134,14 @@ defmodule Pleroma.Web.TwitterAPI.UserView do
     end
   end
 
+  defp maybe_with_follow_request_count(data, %User{id: id, info: %{locked: true}} = user, %User{
+         id: id
+       }) do
+    Map.put(data, "follow_request_count", user.info.follow_request_count)
+  end
+
+  defp maybe_with_follow_request_count(data, _, _), do: data
+
   defp maybe_with_role(data, %User{id: id} = user, %User{id: id}) do
     Map.merge(data, %{"role" => role(user), "show_role" => user.info.show_role})
   end