Changed to use field instead of humanReadableField for GET_TIME in JS…

…ON response

Replaced the use of builder.humanReadableField for the GET_TIME field with builder.field(Fields.GET_TIME, Objects.toString(getTime())). This prevents the duplication of the time_in_millis field.

Signed-off-by: hye-on <ain0103@naver.com>

server/src/main/java/org/opensearch/index/get/GetStats.java

@@ -41,6 +41,7 @@
 import org.opensearch.core.xcontent.XContentBuilder;
 
 import java.io.IOException;
+import java.util.Objects;
 
 /**
  * Stats for a search get
@@ -137,7 +138,7 @@ public long current() {
     public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
         builder.startObject(Fields.GET);
         builder.field(Fields.TOTAL, getCount());
-        builder.humanReadableField(Fields.TIME_IN_MILLIS, Fields.GET_TIME, getTime());
+        builder.field( Fields.GET_TIME, Objects.toString(getTime()));
         builder.humanReadableField(Fields.TIME_IN_MILLIS, Fields.TIME, getTime());
         builder.field(Fields.EXISTS_TOTAL, existsCount);
         builder.humanReadableField(Fields.EXISTS_TIME_IN_MILLIS, Fields.EXISTS_TIME, getExistsTime());