beremiz

test: Fix context menu problems in debug view. This should fix debug_test as well.

- exception on right click on a wire
- tooltip hiding context menu in some case
<?xml version='1.0' encoding='utf-8'?>
<ModbusServerNode xmlns:xsd="http://www.w3.org/2001/XMLSchema" Local_Port_Number="1502" Local_IP_Address="127.0.0.1"/>