[ADF-5501] fix: change the guard for progress event detection (#1441)

Author: mserwicki

src/alfrescoApiClient.ts

@@ -359,7 +359,7 @@ export class AlfrescoApiClient implements ee.Emitter, LegacyHttpClient {
     private addPromiseListeners<T = any>(promise: Promise<T>, eventEmitter: ee.Emitter): AlfrescoApiClientPromise<T> {
         const alfrescoPromise: AlfrescoApiClientPromise<T> = Object.assign(promise, {
             on: function () {
-                eventEmitter.once.apply(eventEmitter, arguments);
+                eventEmitter.on.apply(eventEmitter, arguments);
                 return this;
             },
             once: function () {

src/superagentHttpClient.ts

@@ -26,7 +26,7 @@ import { isBrowser, paramToString } from './utils';
 declare const Blob: any;
 declare const Buffer: any;
 
-const isProgressEvent = (event: ProgressEvent | unknown): event is ProgressEvent => Object.prototype.hasOwnProperty.call(event, 'lengthComputable');
+const isProgressEvent = (event: ProgressEvent | unknown): event is ProgressEvent => (event as ProgressEvent)?.lengthComputable;
 
 export class SuperagentHttpClient implements HttpClient {
     /**