127655: Fixed getFirstDataDefinition not always returning a correct SubmitDataResponseDefinitionObject, leading to an infinite loading screen

- Also fixed an issue where the collection switcher could accidentally show the old collection name instead of the new one
- Also updated the WorkspaceItemPageResolver & WorkflowItemPageResolver to embed the collection to use fewer requests

src/app/core/submission/submission-rest.service.ts

@@ -33,7 +33,7 @@ export const getFirstDataDefinition = () =>
         if (response.hasFailed) {
           throw new Error(response.errorMessage);
         } else {
-          return hasValue(response.payload) ? response.payload.dataDefinition : response.payload;
+          return hasValue(response?.payload?.dataDefinition) ? response.payload.dataDefinition : [response.payload];
         }
       }),
       distinctUntilChanged(),

src/app/submission/form/submission-form.component.spec.ts

@@ -27,7 +27,7 @@ import { TestScheduler } from 'rxjs/testing';
 import { SectionsService } from '../sections/sections.service';
 import { VisibilityType } from '../sections/visibility-type';
 
-describe('SubmissionFormComponent Component', () => {
+describe('SubmissionFormComponent', () => {
 
   let comp: SubmissionFormComponent;
   let compAsAny: any;
@@ -197,7 +197,6 @@ describe('SubmissionFormComponent Component', () => {
       });
       scheduler.flush();
 
-      expect(comp.collectionId).toEqual(submissionObjectNew.collection.id);
       expect(comp.submissionDefinition).toEqual(submissionObjectNew.submissionDefinition);
       expect(comp.definitionId).toEqual(submissionObjectNew.submissionDefinition.name);
       expect(comp.sections).toEqual(submissionObjectNew.sections);
@@ -235,7 +234,6 @@ describe('SubmissionFormComponent Component', () => {
       });
       scheduler.flush();
 
-      expect(comp.collectionId).toEqual('45f2f3f1-ba1f-4f36-908a-3f1ea9a557eb');
       expect(submissionServiceStub.resetSubmissionObject).not.toHaveBeenCalled();
       done();
     });

src/app/submission/form/submission-form.component.ts

@@ -249,13 +249,12 @@ export class SubmissionFormComponent implements OnChanges, OnDestroy {
    *    new submission object
    */
   onCollectionChange(submissionObject: SubmissionObject) {
-    this.collectionId = (submissionObject.collection as Collection).id;
     if (this.definitionId !== (submissionObject.submissionDefinition as SubmissionDefinitionsModel).name) {
       this.sections = submissionObject.sections;
       this.submissionDefinition = (submissionObject.submissionDefinition as SubmissionDefinitionsModel);
       this.definitionId = this.submissionDefinition.name;
       this.submissionService.resetSubmissionObject(
-        this.collectionId,
+        (submissionObject.collection as Collection).id,
         this.submissionId,
         submissionObject._links.self.href,
         this.submissionDefinition,

src/app/workflowitems-edit-page/workflow-item-page.resolver.ts

@@ -27,6 +27,7 @@ export class WorkflowItemPageResolver implements Resolve<RemoteData<WorkflowItem
       true,
       false,
       followLink('item'),
+      followLink('collection'),
     ).pipe(
       getFirstCompletedRemoteData(),
     );

src/app/workspaceitems-edit-page/workspace-item-page.resolver.ts

@@ -4,14 +4,14 @@ import { Observable } from 'rxjs';
 import { RemoteData } from '../core/data/remote-data';
 import { followLink } from '../shared/utils/follow-link-config.model';
 import { WorkspaceitemDataService } from '../core/submission/workspaceitem-data.service';
-import { WorkflowItem } from '../core/submission/models/workflowitem.model';
+import { WorkspaceItem } from '../core/submission/models/workspaceitem.model';
 import { getFirstCompletedRemoteData } from '../core/shared/operators';
 
 /**
  * This class represents a resolver that requests a specific workflow item before the route is activated
  */
 @Injectable()
-export class WorkspaceItemPageResolver implements Resolve<RemoteData<WorkflowItem>> {
+export class WorkspaceItemPageResolver implements Resolve<RemoteData<WorkspaceItem>> {
   constructor(private workspaceItemService: WorkspaceitemDataService) {
   }
 
@@ -22,11 +22,12 @@ export class WorkspaceItemPageResolver implements Resolve<RemoteData<WorkflowIte
    * @returns Observable<<RemoteData<Item>> Emits the found workflow item based on the parameters in the current route,
    * or an error if something went wrong
    */
-  resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<RemoteData<WorkflowItem>> {
+  resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<RemoteData<WorkspaceItem>> {
     return this.workspaceItemService.findById(route.params.id,
       true,
       false,
       followLink('item'),
+      followLink('collection'),
     ).pipe(
       getFirstCompletedRemoteData(),
     );