Updated changes for latest Geyser version

common/src/main/java/org/geysermc/floodgate/pluginmessage/PluginMessageChannels.java

@@ -31,8 +31,11 @@ public final class PluginMessageChannels {
     public static final String SKIN = "floodgate:skin";
     public static final String FORM = "floodgate:form";
     public static final String TRANSFER = "floodgate:transfer";
+    public static final String PACKET = "floodgate:packet";
 
-    private static final byte[] FLOODGATE_REGISTER_DATA = String.join("\0", SKIN, FORM, TRANSFER).getBytes(Charsets.UTF_8);
+    private static final byte[] FLOODGATE_REGISTER_DATA =
+            String.join("\0", SKIN, FORM, TRANSFER, PACKET)
+                    .getBytes(Charsets.UTF_8);
 
     /**
      * Get the prebuilt register data as a byte array

core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaCustomPayloadTranslator.java

@@ -103,7 +103,7 @@ public class JavaCustomPayloadTranslator extends PacketTranslator<ClientboundCus
             transferPacket.setPort(port);
             session.sendUpstreamPacket(transferPacket);
 
-        } else if (channel.equals("floodgate:packet")) {
+        } else if (channel.equals(PluginMessageChannels.PACKET)) {
             logger.debug("A packet has been sent using the Floodgate api");
             byte[] data = packet.getData();