fdo#48335 don't export zoom factor when zoom type is not percent
fdo#48335 don't export zoom factor when zoom type is not percent

Change-Id: I1fb7e3d9d65f2f3388bb4851f5ad517ed1681f04

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