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/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(),
     );