LineColor and LineStyle are missing from the switch-case.
Just reuse the conversion list from
oox::ppt::getAttributeConversionList(), also reoder the
list so that fillcolor is prior than fillColor.

Change-Id: Ia78553ad2fc908923da56bc58baf96dbb7d40863
Reviewed-on: https://gerrit.libreoffice.org/57819
Tested-by: Jenkins
Reviewed-by: Mark Hung <marklh9@gmail.com>