feat(otopcua): applier pass to materialise discovered nodes idempotently

src/Core/ZB.MOM.WW.OtOpcUa.Commons/OpcUa/DeferredAddressSpaceSink.cs

@@ -70,6 +70,10 @@ public sealed class DeferredAddressSpaceSink : IOpcUaAddressSpaceSink, ISurgical
     /// <summary>Rebuilds the address space through the inner sink.</summary>
     public void RebuildAddressSpace() => _inner.RebuildAddressSpace();
 
+    /// <summary>Announces a runtime NodeAdded model-change (discovered-node injection) through the inner sink.</summary>
+    /// <param name="affectedNodeId">The node under which discovered nodes were added.</param>
+    public void RaiseNodesAddedModelChange(string affectedNodeId) => _inner.RaiseNodesAddedModelChange(affectedNodeId);
+
     /// <summary>Forwards an in-place tag-attribute update (F10b) to the inner sink when it supports the
     /// surgical capability. Returns false otherwise — before the real <c>SdkAddressSpaceSink</c> is
     /// swapped in (inner is still the null sink), or any inner sink that isn't surgical — so the caller