fdo#79269: sw: more cleanup of SwXStyle's FirstIsShared property
fdo#79269: sw: more cleanup of SwXStyle's FirstIsShared property

Some of the checks for it can never be true given the preceding list of
WhichIds, but there is one other case that needs the special handling.

Change-Id: Iaf396960d064d0c9f2a950c2d02db1654a669d45

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