beremiz

SVGHMI: Adapt to Inkscape 0.92 "-e" replaced by "-o" in 1.2, and workaround access right problem when generating thumbnails.
<?xml version='1.0' encoding='utf-8'?>
<BaseParams xmlns:xsd="http://www.w3.org/2001/XMLSchema" IEC_Channel="2" Name="py_ext_0"/>