Fix signs for Bedrock 1.18.30

Fixes #2944

core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockBlockEntityDataTranslator.java

@@ -30,6 +30,7 @@ import com.github.steveice10.mc.protocol.packet.ingame.serverbound.inventory.Ser
 import com.github.steveice10.mc.protocol.packet.ingame.serverbound.level.ServerboundSignUpdatePacket;
 import com.nukkitx.nbt.NbtMap;
 import com.nukkitx.protocol.bedrock.packet.BlockEntityDataPacket;
+import com.nukkitx.protocol.bedrock.v503.Bedrock_v503;
 import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.geyser.translator.protocol.PacketTranslator;
 import org.geysermc.geyser.translator.protocol.Translator;
@@ -40,6 +41,7 @@ public class BedrockBlockEntityDataTranslator extends PacketTranslator<BlockEnti
 
     @Override
     public void translate(GeyserSession session, BlockEntityDataPacket packet) {
+        System.out.println(packet);
         NbtMap tag = packet.getData();
         String id = tag.getString("id");
         if (id.equals("Sign")) {
@@ -47,7 +49,9 @@ public class BedrockBlockEntityDataTranslator extends PacketTranslator<BlockEnti
             // This is the reason why this all works - Bedrock sends packets every time you update the sign, Java only wants the final packet
             // But Bedrock sends one final packet when you're done editing the sign, which should be equal to the last message since there's no edits
             // So if the latest update does not match the last cached update then it's still being edited
-            if (!text.equals(session.getLastSignMessage())) {
+            // TODO check 1.19:
+            // Bedrock only sends one packet as of 1.18.30. I (Camotoy) am suspicious this is a bug, but if it's permanent then we don't need the lastSignMessage variable.
+            if (session.getUpstream().getProtocolVersion() < Bedrock_v503.V503_CODEC.getProtocolVersion() && !text.equals(session.getLastSignMessage())) {
                 session.setLastSignMessage(text);
                 return;
             }