replace com::sun::star with css in chart ooxml export
replace com::sun::star with css in chart ooxml export

Change-Id: Ia508cecc0a06fd1af5adca9756dce394337260fc

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