Revert "Disable HTTP client's built-in decompression"

This reverts commit c9246cec4f.

Closes gh-48928

module/spring-boot-elasticsearch/src/main/java/org/springframework/boot/elasticsearch/autoconfigure/ElasticsearchRestClientConfigurations.java

@@ -106,10 +106,8 @@ class ElasticsearchRestClientConfigurations {
 				builder.setDefaultHeaders(
 						new Header[] { new BasicHeader("Authorization", "ApiKey " + connectionDetails.getApiKey()) });
 			}
-			builder.setHttpClientConfigCallback((httpClientBuilder) -> {
-				httpClientBuilder.disableContentCompression();
-				builderCustomizers.orderedStream().forEach((customizer) -> customizer.customize(httpClientBuilder));
-			});
+			builder.setHttpClientConfigCallback((httpClientBuilder) -> builderCustomizers.orderedStream()
+				.forEach((customizer) -> customizer.customize(httpClientBuilder)));
 			builder.setConnectionManagerCallback((connectionManagerBuilder) -> builderCustomizers.orderedStream()
 				.forEach((customizer) -> customizer.customize(connectionManagerBuilder)));
 			builder.setConnectionConfigCallback((connectionConfigBuilder) -> builderCustomizers.orderedStream()