sw doc model xml dump: handle SvxFontHeightItem
sw doc model xml dump: handle SvxFontHeightItem

Change-Id: I27a9681fdf86a8814be48ba9875202705aa2b014

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