Send packets async too

src/Impostor.Server.Hazel/HazelConnection.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Concurrent;
 using System.Net;
 using System.Threading.Tasks;
 using Hazel;

src/Impostor.Server.Hazel/Messages/BufferMessageReader.cs

@@ -74,7 +74,7 @@ namespace Impostor.Server.Hazel.Messages
             return output;
         }
 
-        public unsafe float ReadSingle()
+        public float ReadSingle()
         {
             var output = BinaryPrimitives.ReadSingleLittleEndian(Buffer.Span.Slice(Position));
             Position += sizeof(float);
@@ -136,7 +136,7 @@ namespace Impostor.Server.Hazel.Messages
         public void CopyTo(IMessageWriter writer)
         {
             writer.Write((ushort) Length);
-            writer.Write((byte) Tag);
+            writer.Write(Tag);
             writer.Write(Buffer);
         }
 

src/Impostor.Server.Hazel/Messages/HazelConnectionMessageWriter.cs

@@ -16,10 +16,9 @@ namespace Impostor.Server.Hazel.Messages
 
         public IConnection Connection => _connection;
 
-        public ValueTask SendAsync()
+        public async ValueTask SendAsync()
         {
-            _connection.InnerConnection.Send(Writer);
-            return default;
+            await _connection.InnerConnection.Send(Writer);
         }
     }
 }