fix(model-datastructure): ITreeChangeVisitor.conceptChanged was not detected correctly

Author: slisson

model-datastructure/src/commonMain/kotlin/org/modelix/model/lazy/CLTree.kt

@@ -486,13 +486,14 @@ class CLTree : ITree, IBulkTree {
                             }
                             if (oldElement.parentId != newElement.parentId) {
                                 visitor.containmentChanged(key)
-                            } else if (oldElement.concept != newElement.concept) {
-                                visitor.conceptChanged(key)
                             } else if (oldElement.roleInParent != newElement.roleInParent) {
                                 visitor.containmentChanged(key)
                                 notifyChildrenChange(oldElement.parentId, oldElement.roleInParent)
                                 notifyChildrenChange(newElement.parentId, newElement.roleInParent)
                             }
+                            if (oldElement.concept != newElement.concept) {
+                                visitor.conceptChanged(key)
+                            }
                             oldElement.propertyRoles.asSequence()
                                 .plus(newElement.propertyRoles.asSequence())
                                 .distinct()