beremiz

SVGHMI: min and max limit for widgets can be set with assigned variables

This is a valid Widget declaration using new feature:
HMI:Input@/TARGETPRESSURE,0,max_pressure@max_pressure=hmi_local_max_setting

tests/projects/svghmi is updated accordingly.
<?xml version='1.0' encoding='utf-8'?>
<MQTTClient xmlns:xsd="http://www.w3.org/2001/XMLSchema" Broker_URI="wss://192.168.19.25:18885">
<AuthType>
<x509 Client_certificate="" Broker_certificate="test-root-ca.crt" Verify_hostname="false"/>
</AuthType>
</MQTTClient>