Export the shapeProps (fillstyle, linestyle, linewidth,
linecolor etc.) of the Error Bars to OOXML.

Change-Id: Iff74fa463fdd0fb6ed95e4d1bf0d3e906349860c
Reviewed-on: https://gerrit.libreoffice.org/67825
Tested-by: Jenkins
Reviewed-by: László Németh <nemeth@numbertext.org>