fix(model-api-gen): ITypedNode.getPropertyValue always returned null

Author: slisson

model-api-gen-runtime/src/commonMain/kotlin/org/modelix/metamodel/ITypedNode.kt

@@ -15,7 +15,7 @@ interface ITypedNode {
 fun ITypedNode.untyped() = unwrap()
 fun ITypedNode.untypedConcept() = _concept.untyped()
 fun ITypedNode.typedConcept() = _concept
-fun ITypedNode.getPropertyValue(property: IProperty): String? = unwrap().getPropertyValue(property.name)
+fun ITypedNode.getPropertyValue(property: IProperty): String? = unwrap().getPropertyValue(property)
 fun ITypedNode.instanceOf(concept: ITypedConcept): Boolean {
     return instanceOf(concept._concept)
 }