Update x-pack/plugin/security/src/main/java/org/elasticsearch/xpack/security/Security.java

Co-authored-by: Tim Vernum <[email protected]>

Author: ywangd

x-pack/plugin/security/src/main/java/org/elasticsearch/xpack/security/Security.java

@@ -1354,7 +1354,7 @@ private static XContentBuilder getIndexMappings(Version mappingVersion) {
                     builder.field("dynamic", false);
                     builder.endObject();
 
-                    if (Version.V_7_13_0.onOrBefore(mappingVersion)) {
+                    if (mappingVersion.onOrAfter(Version.V_7_13_0)) {
                         builder.startObject("metadata_flattened");
                         builder.field("type", "flattened");
                         builder.endObject();