113901: Store the retrieved Relationships in the store

This needs to be done here too, since tilted relationships won't be returned by the api/core/items/{uuid}/relationships endpoint

src/app/item-page/edit-item-page/item-relationships/edit-relationship-list/edit-relationship-list.component.spec.ts

@@ -160,7 +160,10 @@ describe('EditRelationshipListComponent', () => {
         getFieldUpdates: observableOf({
           [relationships[0].uuid]: fieldUpdate1,
           [relationships[1].uuid]: fieldUpdate2
-        })
+        }),
+        // eslint-disable-next-line @typescript-eslint/no-empty-function
+        initialize: () => {
+        },
       }
     );
 

src/app/item-page/edit-item-page/item-relationships/edit-relationship-list/edit-relationship-list.component.ts

@@ -512,10 +512,15 @@ export class EditRelationshipListComponent implements OnInit, OnDestroy {
             false,
             true,
             ...linksToFollow
-          )),
-      ).subscribe((rd: RemoteData<PaginatedList<Relationship>>) => {
-        this.relationshipsRd$.next(rd);
-      })
+          ),
+        ),
+        tap((rd: RemoteData<PaginatedList<Relationship>>) => {
+          this.relationshipsRd$.next(rd);
+        }),
+        getFirstSucceededRemoteDataPayload(),
+      ).subscribe((relationshipPaginatedList: PaginatedList<Relationship>) => {
+        this.objectUpdatesService.initialize(this.url, relationshipPaginatedList.page, new Date());
+      }),
     );
 
     // keep isLastPage$ up to date based on relationshipsRd$

src/app/shared/form/builder/ds-dynamic-form-ui/relation-lookup-modal/dynamic-lookup-relation-modal.component.html

@@ -84,7 +84,7 @@ <h4 class="modal-title" id="modal-title">{{ ('submission.sections.describe.relat
       <button class="btn btn-primary submit"
             [disabled]="(toAdd.length == 0 && toRemove.length == 0) || isPending"
               (click)="submitEv()">
-              <span *ngIf="isPending" class="spinner-border spinner-border-sm" role="status"
+              <span *ngIf="isPending" class="spinner-border spinner-border-sm mr-1" role="status"
                               aria-hidden="true"></span>
               <i class="fas fa-save"></i>
         <span class="d-none d-sm-inline">&nbsp;{{"item.edit.metadata.save-button" | translate}}</span>