[Feature][connector-elasticsearch] elasticsearch source support PIT

Author: CosmosNi

Diff for: seatunnel-connectors-v2/connector-elasticsearch/src/main/java/org/apache/seatunnel/connectors/seatunnel/elasticsearch/config/ElasticsearchSourceOptions.java

@@ -72,7 +72,8 @@ public class ElasticsearchSourceOptions extends ElasticsearchBaseOptions {
             Options.key("search_api_type")
                     .enumType(SearchApiTypeEnum.class)
                     .defaultValue(SearchApiTypeEnum.SCROLL)
-                    .withDescription("Choose API type for pagination: SCROLL or PIT (Point in Time).");
+                    .withDescription(
+                            "Choose API type for pagination: SCROLL or PIT (Point in Time).");
 
     public static final Option<String> SQL_QUERY =
             Options.key("sql_query")

Diff for: seatunnel-connectors-v2/connector-elasticsearch/src/main/java/org/apache/seatunnel/connectors/seatunnel/elasticsearch/source/ElasticsearchSource.java

@@ -17,7 +17,6 @@
 
 package org.apache.seatunnel.connectors.seatunnel.elasticsearch.source;
 
-import org.apache.seatunnel.connectors.seatunnel.elasticsearch.config.SearchApiTypeEnum;
 import org.apache.seatunnel.shade.com.google.common.annotations.VisibleForTesting;
 
 import org.apache.seatunnel.api.configuration.ReadonlyConfig;
@@ -42,6 +41,7 @@
 import org.apache.seatunnel.connectors.seatunnel.elasticsearch.client.EsType;
 import org.apache.seatunnel.connectors.seatunnel.elasticsearch.config.ElasticsearchConfig;
 import org.apache.seatunnel.connectors.seatunnel.elasticsearch.config.ElasticsearchSourceOptions;
+import org.apache.seatunnel.connectors.seatunnel.elasticsearch.config.SearchApiTypeEnum;
 import org.apache.seatunnel.connectors.seatunnel.elasticsearch.config.SearchTypeEnum;
 import org.apache.seatunnel.connectors.seatunnel.elasticsearch.exception.ElasticsearchConnectorErrorCode;
 import org.apache.seatunnel.connectors.seatunnel.elasticsearch.exception.ElasticsearchConnectorException;