Added missing services into shared module.

Author: milanmajchrak

src/app/shared/shared.module.ts

@@ -290,10 +290,12 @@ import {
 import { BitstreamListItemComponent } from './object-list/bitstream-list-item/bitstream-list-item.component';
 import { NgxPaginationModule } from 'ngx-pagination';
 import { ThemedLangSwitchComponent } from './lang-switch/themed-lang-switch.component';
-import {ThemedUserMenuComponent} from './auth-nav-menu/user-menu/themed-user-menu.component';
+import { ThemedUserMenuComponent } from './auth-nav-menu/user-menu/themed-user-menu.component';
 import { HtmlContentService } from './html-content.service';
 import { ClarinSafeHtmlPipe } from './utils/clarin-safehtml.pipe';
 import { ReplacePipe } from './utils/replace.pipe';
+import { ClarinDateService } from './clarin-date.service';
+import { ItemIdentifierService } from './item-identifier.service';
 
 const MODULES = [
   CommonModule,
@@ -493,7 +495,9 @@ const PROVIDERS = [
   TruncatableService,
   MockAdminGuard,
   AbstractTrackableComponent,
-  HtmlContentService
+  HtmlContentService,
+  ClarinDateService,
+  ItemIdentifierService
 ];
 
 const DIRECTIVES = [