set default objectEncoder FAIL_ON_UNKNOWN_PROPERTIES to false (#120)

Author: longquanzheng

src/main/java/io/iworkflow/core/JacksonJsonObjectEncoder.java

@@ -45,6 +45,7 @@ public JacksonJsonObjectEncoder() {
     // may be important if the replay is happening on a host in another timezone
     mapper.configure(DeserializationFeature.ADJUST_DATES_TO_CONTEXT_TIME_ZONE, false);
     mapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
+    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
     mapper.registerModule(new JavaTimeModule());
     mapper.registerModule(new Jdk8Module());
     mapper.setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);