Handle UFED other data of MessageExtraData

[aberenguel]

Currently in 4.3.0, unrecognized childs of MessageExtraData model are ignored. It is better to add this information in JSON preview of the related to the InstantMessage.

Example of the log handling the model:

2026-02-04 00:10:41     [ERROR] [datasource.ufed.UfedModelHandler]                      Unknown InstantMessageExtraData child 'MessageExtraData' => GenericModel (id=e1acfa17-f250-403b-8e20-0e9c6675fe8d). Ignoring...
2026-02-04 00:10:41     [ERROR] [datasource.ufed.UfedModelHandler]                      Unknown InstantMessageExtraData child 'MessageExtraData' => GenericModel (id=3ec8d849-3ba8-490c-ba7f-9b12b5c48020). Ignoring..

The xml chunk in report.xml.

<model type="ScrambledMessageData" id="e1acfa17-f250-403b-8e20-0e9c6675fe8d" deleted_state="Trash" decoding_confidence="High" isrelated="False" source_index="5219203" extractionId="0">
  <field name="Label" type="Label">
    <value type="Label"><![CDATA[Scrambled]]></value>
  </field>
</model>