AdminAPI: Omit relay user from users list

lib/pleroma/web/activity_pub/relay.ex

@@ -11,13 +11,17 @@ defmodule Pleroma.Web.ActivityPub.Relay do
 
   def get_actor do
     actor =
-      "#{Pleroma.Web.Endpoint.url()}/relay"
+      relay_ap_id()
       |> User.get_or_create_service_actor_by_ap_id()
 
     {:ok, actor} = User.set_invisible(actor, true)
     actor
   end
 
+  def relay_ap_id do
+    "#{Pleroma.Web.Endpoint.url()}/relay"
+  end
+
   @spec follow(String.t()) :: {:ok, Activity.t()} | {:error, any()}
   def follow(target_instance) do
     with %User{} = local_user <- get_actor(),

lib/pleroma/web/admin_api/admin_api_controller.ex

@@ -333,7 +333,8 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
       email: params["email"]
     }
 
-    with {:ok, users, count} <- Search.user(Map.merge(search_params, filters)),
+    with {:ok, users, _count} <- Search.user(Map.merge(search_params, filters)),
+         {:ok, users, count} <- filter_relay_user(users),
          do:
            conn
            |> json(
@@ -345,6 +346,12 @@ defmodule Pleroma.Web.AdminAPI.AdminAPIController do
            )
   end
 
+  defp filter_relay_user(users) do
+    filtered_users = Enum.reject(users, &(&1.ap_id == Relay.relay_ap_id()))
+
+    {:ok, filtered_users, length(filtered_users)}
+  end
+
   @filters ~w(local external active deactivated is_admin is_moderator)
 
   @spec maybe_parse_filters(String.t()) :: %{required(String.t()) => true} | %{}