fix ObjectReaderCreator createObjectReader for Class<T>

Author: wenshao

core/src/main/java/com/alibaba/fastjson2/reader/ObjectReaderCreator.java

@@ -1001,6 +1001,10 @@ public <T> ObjectReader<T> createObjectReader(
             beanInfo.readerFeatures |= JSONReader.Feature.IgnoreSetNullValue.mask;
         }
 
+        if (objectClass == Class.class) {
+            return ObjectReaderImplClass.INSTANCE;
+        }
+
         if (fieldBased && objectClass.isInterface()) {
             fieldBased = false;
         }

core/src/test/java/com/alibaba/fastjson2/issues_2300/Issue2356.java

@@ -1,6 +1,9 @@
 package com.alibaba.fastjson2.issues_2300;
 
 import com.alibaba.fastjson2.JSONFactory;
+import com.alibaba.fastjson2.reader.ObjectReaderCreator;
+import com.alibaba.fastjson2.reader.ObjectReaderProvider;
+import com.alibaba.fastjson2.util.TypeUtils;
 import org.junit.jupiter.api.Test;
 
 import java.lang.reflect.Type;
@@ -10,6 +13,7 @@ public class Issue2356 {
     public void test() throws Exception {
         Type parameterType = Issue2356.class.getMethod("create", Class.class).getGenericParameterTypes()[0];
         JSONFactory.getDefaultObjectReaderProvider().getObjectReader(parameterType);
+        ObjectReaderCreator.INSTANCE.createObjectReader(TypeUtils.getClass(parameterType), parameterType, false, new ObjectReaderProvider());
     }
 
     public static <T> T create(Class<T> objectClass) {