* Added failing unit test
* Added fix for error 'Instance property 'Id' is not defined for type 'Elsa.KeyValues.Entities.SerializedKeyValuePair' (Parameter 'propertyName')'
* Added Bson class map for SerializedKeyValuePair. Ignoring _id field mapping.
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Co-authored-by: Stephan Melzer <s.melzer@mera-petfood.com>
Co-authored-by: Sipke Schoorstra <sipkeschoorstra@outlook.com>
