[CST-4633] restored ds-my-dspace-new-submission from mydspace page

src/app/my-dspace-page/my-dspace-page.component.html

@@ -1,3 +1,7 @@
+<div class="container">
+  <ds-my-dspace-new-submission *dsShowOnlyForRole="[roleTypeEnum.Submitter]"></ds-my-dspace-new-submission>
+</div>
+
 <ds-search *ngIf="configuration && context"
            [configuration]="configuration"
            [configurationList]="(configurationList$ | async)"

src/app/my-dspace-page/my-dspace-page.component.ts

@@ -10,6 +10,7 @@ import { MyDSpaceConfigurationService } from './my-dspace-configuration.service'
 import { ViewMode } from '../core/shared/view-mode.model';
 import { MyDSpaceRequest } from '../core/data/request.models';
 import { Context } from '../core/shared/context.model';
+import { RoleType } from '../core/roles/role-types';
 
 export const MYDSPACE_ROUTE = '/mydspace';
 export const SEARCH_CONFIG_SERVICE: InjectionToken<SearchConfigurationService> = new InjectionToken<SearchConfigurationService>('searchConfigurationService');
@@ -46,6 +47,11 @@ export class MyDSpacePageComponent implements OnInit {
    */
   configuration: string;
 
+  /**
+   * Variable for enumeration RoleType
+   */
+  roleTypeEnum = RoleType;
+
   /**
    * List of available view mode
    */