fix(core): Adds Gump component functionality (#377)

- [X] Adds gump close packet
- [X] Fixes gump tooltip
- [X] Adds new compile/append functions for the new gump packets

Projects/Server/Serialization/BufferWriter.cs

@@ -98,8 +98,6 @@ namespace Server
             var newBuffer = GC.AllocateUninitializedArray<byte>(size);
             _buffer.AsSpan(0, Math.Min(size, _buffer.Length)).CopyTo(newBuffer);
             _buffer = newBuffer;
-
-            // Array.Resize(ref _buffer, size);
         }
 
         public virtual void Flush()