set graphic properties for error bars during import, fdo#78041

Change-Id: I43138745b074dcacdafa090d97eeb9aa2ccecf78
Reviewed-on: https://gerrit.libreoffice.org/9233
Reviewed-by: Kohei Yoshida <libreoffice@kohei.us>
Tested-by: Kohei Yoshida <libreoffice@kohei.us>