Implemented the functionality to add a WL Action

src/services/http/background-json.js

@@ -4,7 +4,7 @@ function createHttpBackgroundJson({
   environment
 }) {
   const { fetch } = environment;
-  async function fetchJson(url, options, requestName, debugRequests = null) {
+  async function fetchJson(url, options, requestName, debugRequests = null, { allowEmpty = false } = {}) {
     const startedAt = new Date();
     const debugEntry = createBackgroundDebugEntry(requestName, url, options, startedAt);
     let response;
@@ -36,6 +36,7 @@ function createHttpBackgroundJson({
     }
 
     try {
+      if (allowEmpty && !responsePayload.text.trim()) return null;
       return parseJsonResponse(responsePayload.text, requestName);
     } catch (error) {
       error.httpStatus = response.status;