fdo#68663 don't blindly force categories when there are none
fdo#68663 don't blindly force categories when there are none

Change-Id: If52ea471ee3ca10e2f69d2fcd7b3ae0d5772bfc3

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