[Backport 7.8] client.Timeout was not being set after refactoring introduced in #4673 (#4847)

Specifically: https://github.com/elastic/elasticsearch-net/pull/4673/files#diff-6c7514b4a5a813d5985444b99a4f7a4fL167

Co-authored-by: Martijn Laarman <Mpdreamz@gmail.com>

Author: github-actions[bot]

src/Elasticsearch.Net/Connection/HandlerTracking/RequestDataHttpClientFactory.cs

@@ -85,6 +85,7 @@ public HttpClient CreateClient(RequestData requestData)
 			var key = HttpConnection.GetClientKey(requestData);
 			var handler = CreateHandler(key, requestData);
 			var client = new HttpClient(handler, disposeHandler: false);
+			client.Timeout = requestData.RequestTimeout;
 			return client;
 		}
 

src/Elasticsearch.Net/Connection/HttpConnection.cs

@@ -2,7 +2,7 @@
 // Elasticsearch B.V licenses this file to you under the Apache 2.0 License.
 // See the LICENSE file in the project root for more information
 
-#if DOTNETCORE
+#if DOTNETCORE
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;