fixed issue with cleared milestones/assignees
fixed issue with cleared milestones/assignees

HyungJon/HubTurbo,saav/HubTurbo,gaieepo/HubTurbo,Sumei1009/HubTurbo,ianngiaw/HubTurbo,ianngiaw/HubTurbo,Honoo/HubTurbo,HyungJon/HubTurbo,Sumei1009/HubTurbo,saav/HubTurbo,Honoo/HubTurbo,gaieepo/HubTurbo