Regression from: b6b02e0b4c
(tdf#111903 tdf#137152 PPTX export: fix placeholders)
Placeholders lost the formatting, which has been fixed.
(fill, effects, and outline)
Change-Id: I2b9300b85cf3641d89d748a03377f950e668a2af
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/116113
Tested-by: László Németh <nemeth@numbertext.org>
Reviewed-by: László Németh <nemeth@numbertext.org>
8acc6bc43e