feat: migrate everything to standalone and fix build errors

src/app/submission/sections/identifiers/section-identifiers.component.ts

@@ -1,7 +1,7 @@
 import {ChangeDetectionStrategy, Component, Inject } from '@angular/core';
 
 import { Observable, of as observableOf, Subscription } from 'rxjs';
-import { TranslateService } from '@ngx-translate/core';
+import { TranslateModule, TranslateService } from '@ngx-translate/core';
 import { SectionsType } from '../sections-type';
 import { SectionModelComponent } from '../models/section.model';
 import { renderSectionFor } from '../sections-decorator';
@@ -10,6 +10,8 @@ import { SubmissionService } from '../../submission.service';
 import { AlertType } from '../../../shared/alert/alert-type';
 import { SectionsService } from '../sections.service';
 import { WorkspaceitemSectionIdentifiersObject } from '../../../core/submission/models/workspaceitem-section-identifiers.model';
+import { AsyncPipe, NgForOf, NgIf } from '@angular/common';
+import { VarDirective } from '../../../shared/utils/var.directive';
 
 /**
  * This simple component displays DOI, handle and other identifiers that are already minted for the item in
@@ -21,7 +23,15 @@ import { WorkspaceitemSectionIdentifiersObject } from '../../../core/submission/
 @Component({
   selector: 'ds-submission-section-identifiers',
   templateUrl: './section-identifiers.component.html',
-  changeDetection: ChangeDetectionStrategy.Default
+  changeDetection: ChangeDetectionStrategy.Default,
+  imports: [
+    TranslateModule,
+    NgForOf,
+    NgIf,
+    AsyncPipe,
+    VarDirective
+  ],
+  standalone: true
 })
 
 @renderSectionFor(SectionsType.Identifiers)