1.Update question value after BDS change code to avoid save invalid data.
2.Fix a corner case bug that may cause unexpected popup when changing the legacy device order.
Signed-off-by: ydong10
Reviewed-by: lgao4
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12892 6f19259b-4bc3-4df7-8a09-765794883524