Bug fix for IObjectReference handling, which uses nulls in serialization property bags
Bug fix for IObjectReference handling, which uses nulls in serialization
property bags

YuxiaoHu/Prajna,hongzhili/Prajna,BrunoBozza/Prajna,MSRCCS/Prajna,BrunoBozza/Prajna,BrunoBozza/Prajna,MSRCCS/Prajna,YuxiaoHu/Prajna,MSRCCS/Prajna,jinlmsft/Prajna,MSRCCS/Prajna,hongzhili/Prajna,jinlmsft/Prajna,jinlmsft/Prajna,jinlmsft/Prajna,BrunoBozza/Prajna