Fix compilation issue

Author: cbuescher

server/src/main/java/org/elasticsearch/index/codec/Elasticsearch900Codec.java

@@ -65,7 +65,7 @@ public Elasticsearch900Codec() {
      */
     public Elasticsearch900Codec(Zstd814StoredFieldsFormat.Mode mode) {
         super("Elasticsearch900", new Lucene100Codec());
-        this.storedFieldsFormat = new Zstd814StoredFieldsFormat(mode);
+        this.storedFieldsFormat = mode.getFormat();
         this.defaultPostingsFormat = new Lucene912PostingsFormat();
         this.defaultDVFormat = new Lucene90DocValuesFormat();
         this.defaultKnnVectorsFormat = new Lucene99HnswVectorsFormat();