correctly export number formats in conditional format export to xlsx
correctly export number formats in conditional format export to xlsx

Change-Id: I2a4a65bd5e622d900c77704dfe198ffab0be6c42

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