Constructor is too early that ConnectAll() may not do. Move refresh boot option in form open. Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Xu WeiX <weix.xu@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> Reviewed-by: Eric Dong <eric.dong@intel.com>