fix: fix ReferenceNodes usage with mask set

node.go

@@ -6,6 +6,7 @@ package opcua
 
 import (
 	"context"
+	"encoding/base64"
 	"strings"
 
 	"github.com/gopcua/opcua/id"
@@ -160,7 +161,23 @@ func (n *Node) ReferencedNodes(ctx context.Context, refs uint32, dir ua.BrowseDi
 		return nil, err
 	}
 	for _, r := range res {
-		nodes = append(nodes, n.c.Node(r.NodeID.NodeID))
+		nodeID := r.NodeID.NodeID
+		switch nodeID.Type() {
+		case ua.NodeIDTypeTwoByte:
+			nodeID = ua.NewTwoByteNodeID(uint8(nodeID.IntID()))
+		case ua.NodeIDTypeFourByte:
+			nodeID = ua.NewFourByteNodeID(uint8(nodeID.Namespace()), uint16(nodeID.IntID()))
+		case ua.NodeIDTypeNumeric:
+			nodeID = ua.NewNumericNodeID(nodeID.Namespace(), nodeID.IntID())
+		case ua.NodeIDTypeString:
+			nodeID = ua.NewStringNodeID(nodeID.Namespace(), nodeID.StringID())
+		case ua.NodeIDTypeGUID:
+			nodeID = ua.NewGUIDNodeID(nodeID.Namespace(), nodeID.String())
+		case ua.NodeIDTypeByteString:
+			bytes, _ := base64.StdEncoding.DecodeString(nodeID.String())
+			nodeID = ua.NewByteStringNodeID(nodeID.Namespace(), bytes)
+		}
+		nodes = append(nodes, n.c.Node(nodeID))
 	}
 	return nodes, nil
 }