adding global bounding box fix for geometry manager when no boxes are present
adding global bounding box fix for geometry manager when no boxes are present

dalg24/DataTransferKit,Rombur/DataTransferKit,dalg24/DataTransferKit,amccaskey/DataTransferKit,ORNL-CEES/DataTransferKit,ORNL-CEES/DataTransferKit,dalg24/DataTransferKit,dalg24/DataTransferKit,ORNL-CEES/DataTransferKit,amccaskey/DataTransferKit,amccaskey/DataTransferKit,Rombur/DataTransferKit,amccaskey/DataTransferKit,Rombur/DataTransferKit,ORNL-CEES/DataTransferKit,Rombur/DataTransferKit