fix: Default NetworkedVar channel changed to the RPC channel

Author: TwoTenPvP

MLAPI/NetworkedVar/NetworkedVarSettings.cs

@@ -36,7 +36,7 @@ public class NetworkedVarSettings
         /// The name of the channel to use for this variable.
         /// Variables with different channels will be split into different packets
         /// </summary>
-        public string SendChannel = "MLAPI_INTERNAL";
+        public string SendChannel = "MLAPI_DEFAULT_MESSAGE";
 
         /// <summary>
         /// Constructs a new NetworkedVarSettings instance