SVGHMI: fix Switch widget so that order of choices elements is preserved across detaching and re-attaching.
<?xml version='1.0' encoding='utf-8'?>
<SVGHMI xmlns:xsd="http://www.w3.org/2001/XMLSchema" OnWatchdog="echo Watchdog for {name} !" WatchdogInitial="10" WatchdogInterval="5" EnableWatchdog="true" Path="{name}" OnStart="chromium --disable-gpu --new-window --user-data-dir=. {url}"/>