public void HideListShowEmptyArea(string message, string buttonText = null, Action buttonAction = null)
{
UIUtils.SetElementDisplay(listContainer, false);
UIUtils.SetElementDisplay(packageLoadBar, false);
UIUtils.SetElementDisplay(emptyArea, true);
emptyAreaMessage.text = message ?? string.Empty;
emptyAreaButton.text = buttonText ?? string.Empty;
m_ButtonAction = buttonAction;
UIUtils.SetElementDisplay(emptyAreaButton, buttonAction != null);
m_PageManager.ClearSelection();
}