fix(stp): write original file name in sas code for upload

api/src/controllers/internal/Execution.ts

@@ -119,7 +119,7 @@ ${preProgramVarStatments}
 ${program}`
 
     // if no files are uploaded filesNamesMap will be undefined
-    if (otherArgs && otherArgs.filesNamesMap) {
+    if (otherArgs?.filesNamesMap) {
       const uploadSasCode = await generateFileUploadSasCode(
         otherArgs.filesNamesMap,
         session.path

api/src/controllers/internal/FileUploadController.ts

@@ -1,6 +1,6 @@
+import multer from 'multer'
 import { uuidv4 } from '@sasjs/utils'
 import { getSessionController } from '.'
-const multer = require('multer')
 
 export class FileUploadController {
   private storage = multer.diskStorage({