Fixed a couple small errors

src/Discord.Net.WebSocket/Audio/Streams/InputStream.cs

@@ -25,6 +25,8 @@ namespace Discord.Audio.Streams
 
         public override Task<RTPFrame?> ReadFrameAsync(CancellationToken cancelToken)
         {
+            cancelToken.ThrowIfCancellationRequested();
+
             if (_frames.TryDequeue(out var frame))
                 return Task.FromResult<RTPFrame?>(frame);
             return Task.FromResult<RTPFrame?>(null);

src/Discord.Net.WebSocket/DiscordShardedClient.cs

@@ -233,7 +233,7 @@ namespace Discord.WebSocket
                 int id = _shardIds[i];
                 var arr = guilds.Where(x => GetShardIdFor(x) == id).ToArray();
                 if (arr.Length > 0)
-                    await _shards[i].DownloadUsersAsync(arr);
+                    await _shards[i].DownloadUsersAsync(arr).ConfigureAwait(false);
             }
         }