Honor IndicesOptions in HLRC putMapping request (#57118)

Currently, the IndicesOptions set on a High Level rest client PutMappingRequest
are not correctly converted to request parameters. This change adds the missing
conversion and tests.

Closes #57045

client/rest-high-level/src/main/java/org/elasticsearch/client/IndicesRequestConverters.java

@@ -137,6 +137,7 @@ static Request putMapping(PutMappingRequest putMappingRequest) throws IOExceptio
         RequestConverters.Params parameters = new RequestConverters.Params();
         parameters.withTimeout(putMappingRequest.timeout());
         parameters.withMasterTimeout(putMappingRequest.masterNodeTimeout());
+        parameters.withIndicesOptions(putMappingRequest.indicesOptions());
         request.addParameters(parameters.asMap());
         request.setEntity(RequestConverters.createEntity(putMappingRequest, RequestConverters.REQUEST_BODY_CONTENT_TYPE));
         return request;

client/rest-high-level/src/test/java/org/elasticsearch/client/IndicesRequestConvertersTests.java

@@ -166,6 +166,8 @@ public void testPutMapping() throws IOException {
         Map<String, String> expectedParams = new HashMap<>();
         RequestConvertersTests.setRandomTimeout(putMappingRequest, AcknowledgedRequest.DEFAULT_ACK_TIMEOUT, expectedParams);
         RequestConvertersTests.setRandomMasterTimeout(putMappingRequest, expectedParams);
+        RequestConvertersTests.setRandomIndicesOptions(putMappingRequest::indicesOptions,
+            putMappingRequest::indicesOptions, expectedParams);
 
         Request request = IndicesRequestConverters.putMapping(putMappingRequest);