tdf#147121 PPTX: fix regression of font size export of empty lines
If the empty line has got direct formatted font size,
don't forget to export it, unless the master setting
is applied.
Regression from commit
b6b02e0b4c9d739836e1f61a886ea45b01e6696e
"tdf#111903 tdf#137152 PPTX export: fix placeholders".
Change-Id: If686e487bca9c198fd7c96860a21e4efe91381bb
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/130005
Tested-by: László Németh <nemeth@numbertext.org>
Reviewed-by: László Németh <nemeth@numbertext.org>
(cherry picked from commit
f29c14e8c36819296d0c66bb995201acf0a2647e)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/130675
Tested-by: Jenkins
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>