fdo#55142 CoreText handling of trailing whitespace in justified mode
fdo#55142 CoreText handling of trailing whitespace in justified mode

adapted from be899f92ba and 9581d8a5a9 by Herbert Dürr

Change-Id: I24a1e3773764e94bce74c50a83a2cf202b468dda

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