fix: new axios requires form data content type, es6 strict issues with iterations

src/job-execution/SasjsJobExecutor.ts

@@ -73,8 +73,10 @@ export class SasjsJobExecutor extends BaseJobExecutor {
     /* The NodeFormData object does not set the request header - so, set it */
     const contentType =
       formData instanceof NodeFormData && typeof FormData === 'undefined'
-        ? `multipart/form-data; boundary=${formData.getBoundary()}`
-        : undefined
+        ? `multipart/form-data; boundary=${
+            formData.getHeaders()['content-type']
+          }`
+        : 'multipart/form-data'
 
     const requestPromise = new Promise((resolve, reject) => {
       this.requestClient!.post(