[bugfix] no error logged on qname of CDATA section

fixes #4740

Do not log an error each time typeswitch is called on a CDATA section.

Author: line-o

exist-core/src/main/java/org/exist/dom/QName.java

@@ -47,7 +47,7 @@ public class QName implements Comparable<QName> {
     public static final QName TEXT_QNAME = EMPTY_QNAME;
     public static final QName COMMENT_QNAME = EMPTY_QNAME;
     public static final QName DOCTYPE_QNAME = EMPTY_QNAME;
-
+    public static final QName CDATA_SECTION_QNAME = EMPTY_QNAME;
 
     private final String localPart;
     private final String namespaceURI;

exist-core/src/main/java/org/exist/dom/persistent/StoredNode.java

@@ -214,6 +214,8 @@ public QName getQName() {
                 return QName.COMMENT_QNAME;
             case Node.DOCUMENT_TYPE_NODE:
                 return QName.DOCTYPE_QNAME;
+            case Node.CDATA_SECTION_NODE:
+                return QName.CDATA_SECTION_QNAME;
             default:
                 LOG.error("Unknown node type: {}", getNodeType());
                 return null;