fix: use RegistryOps when (de)serializing chat component on 1.21.6+ (#3546)

This fixes an error during serialization when a hover event has an item
with `components` (e.g., enchantments).

Author: diogotcorreia

src/main/java/com/comphenix/protocol/utility/MinecraftRegistryAccess.java

@@ -2,6 +2,7 @@
 
 import java.lang.reflect.Modifier;
 
+import com.comphenix.protocol.wrappers.codecs.WrappedDynamicOps;
 import org.bukkit.Bukkit;
 
 import com.comphenix.protocol.reflect.FuzzyReflection;
@@ -17,6 +18,7 @@ public class MinecraftRegistryAccess {
 
 	private static MethodAccessor GET_SERVER = null;
 	private static MethodAccessor REGISTRY_ACCESS = null;
+	private static MethodAccessor CREATE_SERIALIZATION_CONTEXT = null;
 
 	// lazy initialized
 	private static Object registryAccess = null;
@@ -36,6 +38,14 @@ public class MinecraftRegistryAccess {
 							.banModifier(Modifier.STATIC)
 							.returnDerivedOf(MinecraftReflection.getRegistryAccessClass())
 							.build()));
+
+			CREATE_SERIALIZATION_CONTEXT = Accessors.getMethodAccessor(
+					FuzzyReflection.fromClass(MinecraftReflection.getHolderLookupProviderClass(), false)
+							.getMethod(FuzzyMethodContract.newBuilder()
+									.banModifier(Modifier.STATIC)
+									.returnDerivedOf(MinecraftReflection.getDynamicOpsClass())
+									.parameterDerivedOf(MinecraftReflection.getDynamicOpsClass())
+									.build()));
 		}
 	}
 
@@ -57,4 +67,13 @@ public static Object get() {
 
 		return registryAccess;
 	}
+
+	/**
+	 * Returns a RegistryOps using the given DynamicOps as the underlying ops.
+	 *
+	 * @return a RegistryOps
+	 */
+	public static WrappedDynamicOps createSerializationContext(WrappedDynamicOps dynamicOps) {
+		return WrappedDynamicOps.fromHandle(CREATE_SERIALIZATION_CONTEXT.invoke(get(), dynamicOps.getHandle()));
+	}
 }

src/main/java/com/comphenix/protocol/wrappers/WrappedChatComponent.java

@@ -6,7 +6,6 @@
 
 import com.comphenix.protocol.wrappers.codecs.WrappedCodec;
 import com.comphenix.protocol.wrappers.codecs.WrappedDynamicOps;
-import com.google.gson.JsonElement;
 import com.google.gson.JsonParseException;
 import com.google.gson.JsonParser;
 import org.bukkit.ChatColor;
@@ -42,13 +41,15 @@ public class WrappedChatComponent extends AbstractWrapper implements ClonableWra
     private static ConstructorAccessor CONSTRUCT_TEXT_COMPONENT = null;
 
     private static WrappedCodec CODEC;
+    private static WrappedDynamicOps REGISTRY_JSON_OPS;
 
     static {
         FuzzyReflection fuzzy = FuzzyReflection.fromClass(SERIALIZER, true);
 
         if (MinecraftVersion.v1_21_6.atOrAbove()) {
             Field codecField = fuzzy.getFieldByType("CODEC", MinecraftReflection.getCodecClass());
             CODEC = WrappedCodec.fromHandle(Accessors.getFieldAccessor(codecField).get(null));
+            REGISTRY_JSON_OPS = MinecraftRegistryAccess.createSerializationContext(WrappedDynamicOps.json(false));
         } else if (MinecraftVersion.v1_20_5.atOrAbove()) {
             SERIALIZE_COMPONENT = Accessors.getMethodAccessor(fuzzy.getMethod(FuzzyMethodContract.newBuilder()
         			.returnTypeExact(String.class)
@@ -98,7 +99,7 @@ public class WrappedChatComponent extends AbstractWrapper implements ClonableWra
 
     private static Object serialize(Object handle) {
         if (CODEC != null) {
-            Object jobj = CODEC.encode(handle, WrappedDynamicOps.json(false)).getOrThrow(JsonParseException::new);
+            Object jobj = CODEC.encode(handle, REGISTRY_JSON_OPS).getOrThrow(JsonParseException::new);
             return jobj.toString();
         }
 
@@ -111,7 +112,7 @@ private static Object serialize(Object handle) {
 
     private static Object deserialize(String json) {
         if (CODEC != null) {
-            return CODEC.parse(JsonParser.parseString(json), WrappedDynamicOps.json(false)).getOrThrow(JsonParseException::new);
+            return CODEC.parse(JsonParser.parseString(json), REGISTRY_JSON_OPS).getOrThrow(JsonParseException::new);
         }
 
     	if (MinecraftVersion.v1_20_5.atOrAbove()) {