python_runtime: fix ExtendedCall register/unregistering.
<?xml version='1.0' encoding='utf-8'?>
<BeremizRoot xmlns:xsd="http://www.w3.org/2001/XMLSchema" URI_location="PYRO://127.0.0.1:3000">
<TargetType>
<Linux/>
</TargetType>
<Libraries Enable_SVGHMI_Library="false" Enable_Native_Library="true" Enable_Python_Library="false"/>
</BeremizRoot>