sh:message not working as expected

[saumier]

Adding sh:message to shapes graph is not being added to the report.

https://www.w3.org/TR/shacl12-core/#message

If a shape has at least one value for sh:message in the shapes graph, then all validation results produced as a result of the shape will have exactly these messages as their value of sh:resultMessage, i.e. the values will be copied from the shapes graph into the results graph.