[ACA-4557] Upload Dialog fixes and refactoring (#7507)

* fix random errors for versioning

* remove node deletion on upload cancel

* fix after rebase

* restore the "complete" button

* simplify e2e

* delete obsolte test

lib/core/datatable/components/datatable-cell/datatable-cell.component.ts

@@ -90,7 +90,7 @@ export class DataTableCellComponent implements OnInit, OnDestroy {
         this.alfrescoApiService.nodeUpdated
             .pipe(takeUntil(this.onDestroy$))
             .subscribe(node => {
-                if (this.row) {
+                if (this.row && node && node.id) {
                     if (this.row['node'].entry.id === node.id) {
                         this.row['node'].entry = node;
                         this.row['cache'][this.column.key] = this.column.key.split('.').reduce((source, key) => source ? source[key] : '', node);

lib/core/services/upload.service.ts

@@ -186,7 +186,10 @@ export class UploadService {
                 promise.next();
             } else {
                 const performAction = this.getAction(file);
-                performAction();
+
+                if (performAction) {
+                    performAction();
+                }
             }
         });
     }