Constanst.setRefValue() was always null

Setting the ref value when constant is an uri to allow implementations
to try load them in case default loading fails

Signed-off-by: Francisco Javier Tirado Sarti <[email protected]>

Author: fjtirado

api/src/main/java/io/serverlessworkflow/api/deserializers/ConstantsDeserializer.java

@@ -62,6 +62,7 @@ public Constants deserialize(JsonParser jp, DeserializationContext ctxt) throws
       constantsDefinition = node;
     } else {
       String constantsFileDef = node.asText();
+      constants.setRefValue(constantsFileDef);
       String constantsFileSrc = Utils.getResourceFileAsString(constantsFileDef);
       JsonNode constantsRefNode;
       ObjectMapper jsonWriter = new ObjectMapper();