[CST-6876] Fix issue for which submitter disappear when workflow state were changed

src/app/shared/object-collection/shared/mydspace-item-submitter/item-submitter.component.spec.ts

@@ -11,12 +11,11 @@ import { EPersonMock } from '../../../testing/eperson.mock';
 import { TranslateLoaderMock } from '../../../mocks/translate-loader.mock';
 import { By } from '@angular/platform-browser';
 import { createSuccessfulRemoteDataObject } from '../../../remote-data.utils';
+import { LinkService } from '../../../../core/cache/builders/link.service';
+import { getMockLinkService } from '../../../mocks/link-service.mock';
 
 let component: ItemSubmitterComponent;
 let fixture: ComponentFixture<ItemSubmitterComponent>;
-
-const compIndex = 1;
-
 let mockResultObject: PoolTask;
 
 const rdSumbitter = createSuccessfulRemoteDataObject(EPersonMock);
@@ -36,6 +35,9 @@ describe('ItemSubmitterComponent', () => {
         })
       ],
       declarations: [ItemSubmitterComponent],
+      providers: [
+        { provide: LinkService, useValue: getMockLinkService() },
+      ],
       schemas: [NO_ERRORS_SCHEMA]
     }).overrideComponent(ItemSubmitterComponent, {
       set: { changeDetection: ChangeDetectionStrategy.Default }

src/app/shared/object-collection/shared/mydspace-item-submitter/item-submitter.component.ts

@@ -8,6 +8,8 @@ import { RemoteData } from '../../../../core/data/remote-data';
 import { isNotEmpty } from '../../../empty.util';
 import { WorkflowItem } from '../../../../core/submission/models/workflowitem.model';
 import { getFirstCompletedRemoteData } from '../../../../core/shared/operators';
+import { LinkService } from '../../../../core/cache/builders/link.service';
+import { followLink } from '../../../utils/follow-link-config.model';
 
 /**
  * This component represents a badge with submitter information.
@@ -29,10 +31,17 @@ export class ItemSubmitterComponent implements OnInit {
    */
   submitter$: Observable<EPerson>;
 
+  public constructor(protected linkService: LinkService) {
+
+  }
+
   /**
    * Initialize submitter object
    */
   ngOnInit() {
+    this.linkService.resolveLinks(this.object, followLink('workflowitem', {},
+      followLink('submitter',{})
+    ));
     this.submitter$ = (this.object.workflowitem as Observable<RemoteData<WorkflowItem>>).pipe(
       getFirstCompletedRemoteData(),
       mergeMap((rd: RemoteData<WorkflowItem>) => {

src/app/shared/object-list/my-dspace-result-list-element/pool-search-result/pool-search-result-list-element.component.ts

@@ -111,7 +111,6 @@ export class PoolSearchResultListElementComponent extends SearchResultListElemen
 
   ngOnDestroy() {
     // This ensures the object is removed from cache, when action is performed on task
-    // this.wfiService.invalidateByHref(this.dso._links.workflowitem.href);
     this.objectCache.remove(this.dso._links.workflowitem.href);
   }
 }