Group a new formula cell in CopyCellToDocument.
Group a new formula cell in CopyCellToDocument.

Change-Id: I8a8a24f4d40210700979ef249636b85b6b81e8cd

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core