beremiz

OPC-UA: Update CTN "ChangesToSave" status when variable selection change.
wxPython4
2022-11-11, Edouard Tisserant
d10a7907fb43
OPC-UA: Update CTN "ChangesToSave" status when variable selection change.

- fixes changes not being saved when no other changes happening to configuration
- added CTNMarkModified to ConfigTreeNode in order to generalize
<?xml version='1.0' encoding='utf-8'?>
<OPCUAClient xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<AuthType>
<x509 Certificate="my_cert.der" PrivateKey="my_private_key.pem">
<Policy/>
<Mode/>
</x509>
</AuthType>
</OPCUAClient>