update folder structure based on style guide

src/app/workflowitems-edit-page/workflow-item-send-back/workflow-item-send-back.component.ts

@@ -0,0 +1,44 @@
+import { Component } from '@angular/core';
+import { WorkflowItemActionPageComponent } from '../workflow-item-action-page.component';
+import { Observable } from 'rxjs';
+import { ActivatedRoute, Router } from '@angular/router';
+import { WorkflowItemDataService } from '../../core/submission/workflowitem-data.service';
+import { RouteService } from '../../core/services/route.service';
+import { NotificationsService } from '../../shared/notifications/notifications.service';
+import { TranslateService } from '@ngx-translate/core';
+import { RequestService } from '../../core/data/request.service';
+
+@Component({
+  selector: 'ds-workflow-item-send-back',
+  templateUrl: '../workflow-item-action-page.component.html'
+})
+/**
+ * Component representing a page to send back a workflow item to the submitter
+ */
+export class WorkflowItemSendBackComponent extends WorkflowItemActionPageComponent {
+  constructor(protected route: ActivatedRoute,
+              protected workflowItemService: WorkflowItemDataService,
+              protected router: Router,
+              protected routeService: RouteService,
+              protected notificationsService: NotificationsService,
+              protected translationService: TranslateService,
+              protected requestService: RequestService) {
+    super(route, workflowItemService, router, routeService, notificationsService, translationService);
+  }
+
+  /**
+   * Returns the type of page
+   */
+  getType(): string {
+    return 'send-back';
+  }
+
+  /**
+   * Performs the action of this workflow item action page
+   * @param id The id of the WorkflowItem
+   */
+  sendRequest(id: string): Observable<boolean> {
+    this.requestService.removeByHrefSubstring('/discover');
+    return this.workflowItemService.sendBack(id);
+  }
+}