fix: double quotes bug in TypeUtils.cast, for issue #3932

Author: jujn

core/src/main/java/com/alibaba/fastjson2/util/TypeUtils.java

@@ -1477,7 +1477,7 @@ public static <T> T cast(Object obj, Class<T> targetClass, ObjectReaderProvider
         }
 
         if (targetClass == String.class) {
-            if (obj instanceof Character) {
+            if (obj instanceof Character || obj instanceof Number || obj instanceof Boolean || obj instanceof Enum) {
                 return (T) obj.toString();
             }
 

core/src/test/java/com/alibaba/fastjson2/issues_3900/Issue3932.java

@@ -0,0 +1,33 @@
+package com.alibaba.fastjson2.issues_3900;
+
+import com.alibaba.fastjson2.JSON;
+import com.alibaba.fastjson2.JSONObject;
+import com.alibaba.fastjson2.writer.ObjectWriter;
+import com.alibaba.fastjson2.writer.ObjectWriters;
+import lombok.Data;
+import org.junit.jupiter.api.Test;
+
+import java.io.Serializable;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class Issue3932 {
+    @Test
+    public void test() {
+        try {
+            JSON.register(Long.class, ObjectWriters.ofToString(Object::toString));
+
+            String str = "{\"id\":958829775217152}";
+            JSONObject obj = (JSONObject) JSON.parse(str.getBytes());
+            SerializeTest serializeTest = obj.toJavaObject(SerializeTest.class);
+            assertEquals("958829775217152", serializeTest.getId());
+        } finally {
+            JSON.register(Long.class, (ObjectWriter) null);
+        }
+    }
+
+    @Data
+    public static class SerializeTest implements Serializable {
+        private String id;
+    }
+}