entsoe:TopologicalNode.fromEndName not loaded

[isavelli]

Describe the bug
Given the following xml code (from EntsoE boundary files):

<cim:TopologicalNode rdf:ID="some_number">
<cim:TopologicalNode.BaseVoltage rdf:resource="#some_number2"/>
<cim:TopologicalNode.ConnectivityNodeContainer rdf:resource="#some_number3"/>
<cim:IdentifiedObject.name>label</cim:IdentifiedObject.name>
<entsoe:IdentifiedObject.shortName>label</entsoe:IdentifiedObject.shortName>
<entsoe:TopologicalNode.fromEndName>Tunita</entsoe:TopologicalNode.fromEndName>
<entsoe:TopologicalNode.fromEndNameTso>STEG</entsoe:TopologicalNode.fromEndNameTso>
<entsoe:TopologicalNode.fromEndIsoCode>TN</entsoe:TopologicalNode.fromEndIsoCode>
<entsoe:TopologicalNode.toEndName>Montalto</entsoe:TopologicalNode.toEndName>
<entsoe:TopologicalNode.toEndNameTso>Terna</entsoe:TopologicalNode.toEndNameTso>
<entsoe:TopologicalNode.toEndIsoCode>IT</entsoe:TopologicalNode.toEndIsoCode>
<entsoe:TopologicalNode.boundaryPoint>true</entsoe:TopologicalNode.boundaryPoint>
</cim:TopologicalNode>

it seems that the fields starting with the prefix "entsoe" are not loaded into the TopologicalNode object

To Reproduce

res['topology']['some_number'].__dict__
{'DiagramObjects': 'list', 'mRID': 'some_number', 'name': '....', 'description': '...', 'energyIdentCodeEic': '', 'shortName': '', 'SvInjection': None, 'SvVoltage': <cimpy.cgmes_v2_4_15.SvVoltage.SvVoltage object at 0x000002127B5DF850>, 'AngleRefTopologicalIsland': None, 'TopologicalIsland': None, 'BaseVoltage': <cimpy.cgmes_v2_4_15.BaseVoltage.BaseVoltage object at 0x000002127B709BE0>, 'ConnectivityNodes': 'list', 'ConnectivityNodeContainer': <cimpy.cgmes_v2_4_15.Line.Line object at 0x000002127B6FED30>, 'ReportingGroup': None, 'Terminal': [<cimpy.cgmes_v2_4_15.Terminal.Terminal object at 0x000002127AE99490>, <cimpy.cgmes_v2_4_15.Terminal.Terminal object at 0x000002127B10E220>]}

Expected behavior
The fields e.g. "fromEndIsoCode" should appear inside the TopologicalNode