Restore node feature (elastic#113805)

This got rolled back as part of elastic#113692, but the change had already
rolled out to QA.

Author: kkrik-es

server/src/main/java/org/elasticsearch/index/mapper/MapperFeatures.java

@@ -36,6 +36,7 @@ public Set<NodeFeature> getFeatures() {
             NodeMappingStats.SEGMENT_LEVEL_FIELDS_STATS,
             BooleanFieldMapper.BOOLEAN_DIMENSION,
             ObjectMapper.SUBOBJECTS_AUTO,
+            ObjectMapper.SUBOBJECTS_AUTO_FIXES,
             KeywordFieldMapper.KEYWORD_NORMALIZER_SYNTHETIC_SOURCE,
             SourceFieldMapper.SYNTHETIC_SOURCE_STORED_FIELDS_ADVANCE_FIX,
             Mapper.SYNTHETIC_SOURCE_KEEP_FEATURE,

server/src/main/java/org/elasticsearch/index/mapper/ObjectMapper.java

@@ -45,6 +45,7 @@ public class ObjectMapper extends Mapper {
     public static final String CONTENT_TYPE = "object";
     static final String STORE_ARRAY_SOURCE_PARAM = "store_array_source";
     static final NodeFeature SUBOBJECTS_AUTO = new NodeFeature("mapper.subobjects_auto");
+    static final NodeFeature SUBOBJECTS_AUTO_FIXES = new NodeFeature("mapper.subobjects_auto_fixes");
 
     /**
      * Enhances the previously boolean option for subobjects support with an intermediate mode `auto` that uses