SVGHMI: fix widget's update frequency forcing : syntax checking was enforcing unit and js code was using undefined variables
<?xml version='1.0' encoding='utf-8'?>
<BeremizRoot xmlns:xsd="http://www.w3.org/2001/XMLSchema" URI_location="LOCAL://">
<TargetType/>
<Libraries Enable_SVGHMI_Library="true"/>
</BeremizRoot>