private async Task HandleCallbackQueryAsync(Update update, TelegramBotClient client)
{
var handler = bot.GetCallbackQueryHandler(update.CallbackQuery.Message.Text);
if (handler == null)
{
await bot.GetCallbackQueryHandler(CommandsList.OldKeyboard).Handle(client, update.CallbackQuery);
}
else
{
await handler.Handle(client, update.CallbackQuery);
}
}