fix(opcua): restore alarm component reference after SDK creation

src/Server/ZB.MOM.WW.OtOpcUa.OpcUaServer/OtOpcUaNodeManager.cs

@@ -1533,9 +1533,6 @@ public sealed class OtOpcUaNodeManager : CustomNodeManager2
             alarm.ShelvingState = new ShelvedStateMachineState(alarm);
             alarm.MaxTimeShelved = new PropertyState<double>.Implementation<VariantBuilder>(alarm);
             alarm.SymbolicName = displayName;
-            // HasComponent so the parent folder "owns" the condition (matches the T13 notes' pattern).
-            alarm.ReferenceTypeId = ReferenceTypeIds.HasComponent;
-
             // Create builds the full mandatory Part 9 child set (EnabledState, AckedState,
             // ActiveState, the Acknowledge/Confirm/AddComment/Enable/Disable methods, ...) from the
             // type's embedded definition; we do not hand-build them.
@@ -1545,6 +1542,10 @@ public sealed class OtOpcUaNodeManager : CustomNodeManager2
                 new QualifiedName(displayName, ns),
                 new LocalizedText(displayName),
                 assignNodeIds: true);
+            // Create initializes the embedded definition and resets ReferenceTypeId in SDK 2.0.1.
+            // Restore the application's parent ownership before AddChild: hierarchical folder browses
+            // must expose the alarm as a HasComponent object, as they did before the SDK upgrade.
+            alarm.ReferenceTypeId = ReferenceTypeIds.HasComponent;
 
             // Main-branch id MUST be a concrete (null) NodeId before any Set* call: SetEnableState ->
             // UpdateRetainState -> GetRetainState -> IsBranch() dereferences BranchId.Value, which