fix: return created_at and updated_at from service account store

Author: hamir-suspect

ee/rbac/lib/rbac/grpc_servers/rbac_server.ex

@@ -371,7 +371,7 @@ defmodule Rbac.GrpcServers.RbacServer do
       total_pages: total_pages,
       members:
         Enum.map(subject_role_bindings, fn binding ->
-          subject_type = if binding.type == "user", do: :USER, else: :GROUP
+          subject_type = binding.type |> String.upcase() |> String.to_existing_atom()
 
           %RBAC.ListMembersResponse.Member{
             subject: %RBAC.Subject{

guard/lib/guard/store/service_account.ex

@@ -383,7 +383,9 @@ defmodule Guard.Store.ServiceAccount do
       deactivated: user.deactivated,
       user_id: user.id,
       email: user.email,
-      user: user
+      user: user,
+      created_at: service_account.created_at,
+      updated_at: service_account.updated_at
     }
   end
 end