Use MemoryStreamFactory everywhere (#4208)

Found a few places, that still new'ed MemoryStream directly (outside of
client mainly)

(cherry picked from commit 33476bd)

Author: Mpdreamz

src/Auxiliary/Elasticsearch.Net.VirtualizedCluster/MockResponses/SniffResponseBytes.cs

@@ -17,17 +17,17 @@ public static byte[] Create(IEnumerable<Node> nodes, string elasticsearchVersion
 				cluster_name = ClusterName,
 				nodes = SniffResponseNodes(nodes, elasticsearchVersion, publishAddressOverride, randomFqdn)
 			};
-			using (var ms = new MemoryStream())
+			using (var ms = RecyclableMemoryStreamFactory.Default.Create())
 			{
-				new LowLevelRequestResponseSerializer().Serialize(response, ms);
+				LowLevelRequestResponseSerializer.Instance.Serialize(response, ms);
 				return ms.ToArray();
 			}
 		}
 
 		private static IDictionary<string, object> SniffResponseNodes(
-			IEnumerable<Node> nodes, 
+			IEnumerable<Node> nodes,
 			string elasticsearchVersion,
-			string publishAddressOverride, 
+			string publishAddressOverride,
 			bool randomFqdn
 		) =>
 			(from node in nodes

src/Auxiliary/Elasticsearch.Net.VirtualizedCluster/Rules/RuleBase.cs

@@ -50,9 +50,9 @@ public TRule ReturnResponse<T>(T response)
 			where T : class
 		{
 			byte[] r;
-			using (var ms = new MemoryStream())
+			using (var ms = RecyclableMemoryStreamFactory.Default.Create())
 			{
-				new LowLevelRequestResponseSerializer().Serialize(response, ms);
+				LowLevelRequestResponseSerializer.Instance.Serialize(response, ms);
 				r = ms.ToArray();
 			}
 			Self.ReturnResponse = r;

src/Auxiliary/Elasticsearch.Net.VirtualizedCluster/VirtualClusterConnection.cs

@@ -264,9 +264,9 @@ private static byte[] CallResponse<TRule>(TRule rule)
 			if (_defaultResponseBytes != null) return _defaultResponseBytes;
 
 			var response = DefaultResponse;
-			using (var ms = new MemoryStream())
+			using (var ms = RecyclableMemoryStreamFactory.Default.Create())
 			{
-				new LowLevelRequestResponseSerializer().Serialize(response, ms);
+				LowLevelRequestResponseSerializer.Instance.Serialize(response, ms);
 				_defaultResponseBytes = ms.ToArray();
 			}
 			return _defaultResponseBytes;

src/Elasticsearch.Net/Utf8Json/Internal/Emit/ILViewer.cs

@@ -61,7 +61,7 @@ static ILStreamReader()
         }
 
         public ILStreamReader(byte[] ilByteArray)
-            : base(new MemoryStream(ilByteArray))
+            : base(RecyclableMemoryStreamFactory.Default.Create(ilByteArray))
         {
             this.endPosition = ilByteArray.Length;
         }