Fix command message

Obsidian/Commands/Framework/Entities/Command.cs

@@ -81,7 +81,7 @@ public async Task ExecuteAsync(CommandContext context, string[] args)
          || x.GetParameters().Last().GetCustomAttribute<RemainingAttribute>() != null))
         {
             //throw new InvalidCommandOverloadException($"No such overload for command {this.GetQualifiedName()}");
-            await context.Sender.SendMessageAsync($"&4Correct usage: {Usage}");
+            await context.Sender.SendMessageAsync(ChatMessage.Simple($"Correct usage: {Usage}", ChatColor.Red));
 
             return;
         }

Obsidian/Server.cs

@@ -561,6 +561,11 @@ await player.SendSoundAsync(SoundEffectBuilder.Create(SoundId.EntitySheepAmbient
             // Just stop looping.
         }
 
+        foreach (var client in _clients)
+        {
+            client.SendPacket(new DisconnectPacket(ChatMessage.Simple("Server closed"), client.State));
+        }
+
         _logger.LogInformation("The game loop has been stopped");
         await WorldManager.FlushLoadedWorldsAsync();
     }