Revert the changes made to `ObjectToInferredTypesConverter`.

framework/src/Volo.Abp.Json.SystemTextJson/Volo/Abp/Json/SystemTextJson/JsonConverters/ObjectToInferredTypesConverter.cs

@@ -12,33 +12,20 @@ public class ObjectToInferredTypesConverter : JsonConverter<object>
     public override object Read(
         ref Utf8JsonReader reader,
         Type typeToConvert,
-        JsonSerializerOptions options)
+        JsonSerializerOptions options) => (reader.TokenType switch
     {
-        return reader.TokenType switch
-        {
-            JsonTokenType.True => true,
-            JsonTokenType.False => false,
-            JsonTokenType.Number when reader.TryGetInt64(out long l) => l,
-            JsonTokenType.Number => reader.GetDouble(),
-            JsonTokenType.String when reader.TryGetDateTime(out DateTime datetime) => datetime,
-            JsonTokenType.String => reader.GetString()!,
-            _ => JsonDocument.ParseValue(ref reader).RootElement.Clone()
-        };
-    }
+        JsonTokenType.True => true,
+        JsonTokenType.False => false,
+        JsonTokenType.Number when reader.TryGetInt64(out long l) => l,
+        JsonTokenType.Number => reader.GetDouble(),
+        JsonTokenType.String when reader.TryGetDateTime(out DateTime datetime) => datetime,
+        JsonTokenType.String => reader.GetString(),
+        _ => JsonDocument.ParseValue(ref reader).RootElement.Clone()
+    })!;
 
     public override void Write(
         Utf8JsonWriter writer,
         object objectToWrite,
-        JsonSerializerOptions options)
-    {
-        var runtimeType = objectToWrite.GetType();
-        if (runtimeType == typeof(object))
-        {
-            writer.WriteStartObject();
-            writer.WriteEndObject();
-            return;
-        }
-
-        JsonSerializer.Serialize(writer, objectToWrite, runtimeType, options);
-    }
+        JsonSerializerOptions options) =>
+        JsonSerializer.Serialize(writer, objectToWrite, objectToWrite.GetType(), options);
 }