fixed pending #2291 changes

bukkit/src/main/java/us/myles/ViaVersion/bukkit/handlers/BukkitEncodeHandler.java

@@ -56,7 +56,7 @@ public class BukkitEncodeHandler extends MessageToByteEncoder implements ViaHand
             }
             
         } else {
-            bytebuf.clear().writeBytes((ByteBuf) o);
+            bytebuf.writeBytes((ByteBuf) o);
         }
         transform(bytebuf);
     }

sponge/src/main/java/us/myles/ViaVersion/sponge/handlers/SpongeEncodeHandler.java

@@ -35,8 +35,9 @@ public class SpongeEncodeHandler extends MessageToByteEncoder<Object> implements
                     throw (Error) e.getCause();
                 }
             }
+        } else {
+            bytebuf.write((ByteBuf) o)
         }
-
         transform(bytebuf);
     }