Merge pull request #43 from LagrangeDev/executor/fix-rws-payload-deco…

…ding

[OneBot] Fix ReverseWS incorrectly decode received json payload

Lagrange.OneBot/Core/Network/Service/ReverseWSService.cs

@@ -130,12 +130,12 @@ private async Task ReceiveLoop(ClientWebSocket ws, CancellationToken token)
             while (true)
             {
                 var result = await ws.ReceiveAsync(buffer.AsMemory(rcvd), token);
-                if (result.EndOfMessage) break;
-
                 rcvd += result.Count;
+                if (result.EndOfMessage) break;
+
                 if (rcvd == buffer.Length) Array.Resize(ref buffer, rcvd + 1024);
             }
-            string text = Encoding.UTF8.GetString(buffer);
+            string text = Encoding.UTF8.GetString(buffer, 0, rcvd);
             Log.LogDataReceived(_logger, Tag, text);
             OnMessageReceived?.Invoke(this, new MsgRecvEventArgs(text)); // Handle user handlers error?
         }