refactor(browse): rename BrowseOpcUaNode* to protocol-agnostic BrowseNode*

Renames BrowseOpcUaNodeCommand/Result -> BrowseNodeCommand/Result and
CommunicationService.BrowseOpcUaNodeAsync -> BrowseNodeAsync across Commons,
Communication, SiteRuntime, DCL actors, and CentralUI. Wire manifest name
follows (BrowseOpcUaNode -> BrowseNode). Browse regression tests green.

src/ZB.MOM.WW.ScadaBridge.DataConnectionLayer/Actors/DataConnectionManagerActor.cs

@@ -46,7 +46,7 @@ public class DataConnectionManagerActor : ReceiveActor
         Receive<WriteTagRequest>(HandleRouteWrite);
         Receive<RemoveConnectionCommand>(HandleRemoveConnection);
         Receive<GetAllHealthReports>(HandleGetAllHealthReports);
-        Receive<BrowseOpcUaNodeCommand>(HandleBrowse);
+        Receive<BrowseNodeCommand>(HandleBrowse);
         Receive<ReadTagValuesCommand>(HandleReadTagValues);
     }
 
@@ -115,7 +115,7 @@ public class DataConnectionManagerActor : ReceiveActor
     }
 
     /// <summary>
-    /// Routes a <see cref="BrowseOpcUaNodeCommand"/> from the central UI's OPC UA
+    /// Routes a <see cref="BrowseNodeCommand"/> from the central UI's OPC UA
     /// Tag Browser to the child <see cref="DataConnectionActor"/> that owns the
     /// named connection. The manager is the only actor that knows whether a
     /// connection exists at this site — so it owns the
@@ -123,7 +123,7 @@ public class DataConnectionManagerActor : ReceiveActor
     /// else (capability check, session state, server errors) lives inside the
     /// child where the adapter is held.
     /// </summary>
-    private void HandleBrowse(BrowseOpcUaNodeCommand command)
+    private void HandleBrowse(BrowseNodeCommand command)
     {
         if (_connectionActors.TryGetValue(command.ConnectionName, out var actor))
         {
@@ -132,7 +132,7 @@ public class DataConnectionManagerActor : ReceiveActor
         else
         {
             _log.Warning("No connection actor for {0} during browse", command.ConnectionName);
-            Sender.Tell(new BrowseOpcUaNodeResult(
+            Sender.Tell(new BrowseNodeResult(
                 Array.Empty<BrowseNode>(),
                 Truncated: false,
                 new BrowseFailure(