message: Fixed wrong route to download course
diff: @@ -383,7 +383,7 @@ export class DownloadFileService extends DataService {
  getPackageSize(idl: IDownload) {
  return new Promise((resolve, reject) => {
  - this.backendService.post(this.apiPath + '/size', idl).subscribe((responseItem: any) => {
  + this.backendService.post(this.apiPath + 'size', idl).subscribe((responseItem: any) => {
  resolve(responseItem);
  },
  error => reject(error));
  