Upgrading to Angular 20:

Replaced checked in package-lock.json by regenerated one.
Ran ng update @angular/core@20 @angular/cli@20
Ran npm install @angular-builders/jest@^20.0.0 @fortawesome/angular-fontawesome@^3.0.0 @swimlane/ngx-graph@^11
Ran npm install ngx-mat-select-search@^8.0.2.
Ran ng update @angular/material@20.
Updated all eslint and typescript to the latest versions.
Removed @angular-devkit/schematics.
Updated fontawesome.
Updated rxjs and tslib.
Moved required node version from 16 to 20.
Updated jest-preset-angular.
Set preserveWhitespaces to false.
Corrected two type declarations in two typescript files to make ng serve run without errors.
Removed unused angular-devkit/schematics from view-user.component.ts .
Updated list of supported browsers.
Upgraded prettier.
Ran prettier . --write the first time.
Ran prettier . --write the second time.
Ran ng generate @angular/core:inject with defaults, excepted a handful of files.
Fixed remaining eslint problems.
Added dist directory to ignores in eslint.config.js.
Let prettier fix formatting, almost everything is just line breaks.
Made htmlhint ignore @if and @for Angular constructs.
Updated node version in Github workflow to 22.12.0 (build.yml).
Updated .env.ts.
Updated Angular datetime format strings from YYYY-MM-DD to yyyy-MM-dd.
Merged changes from dev into angular20 branch.

src/app/shared/dropdown/dropdown.component.html

@@ -1,11 +1,15 @@
 <mat-form-field class="flex-28">
   <mat-label>{{ getLabelText() }}</mat-label>
   <mat-select placeholder="{{ getPlaceHolderText() }}" formControlName="controlSelect">
-    <mat-option *ngFor="let option of selectOptions" [value]="option.id">
-      {{ option.value | translateKey: 'catalogs' }}
-    </mat-option>
+    @for (option of selectOptions; track option) {
+      <mat-option [value]="option.id">
+        {{ option.value | translateKey: 'catalogs' }}
+      </mat-option>
+    }
   </mat-select>
-  <button *ngIf="controlSelect" matSuffix mat-icon-button aria-label="Clear" (click)="clearProperty($event)">
-    <mat-icon>{{ 'labels.buttons.Close' | translate }}</mat-icon>
-  </button>
+  @if (controlSelect) {
+    <button matSuffix mat-icon-button aria-label="Clear" (click)="clearProperty($event)">
+      <mat-icon>{{ 'labels.buttons.Close' | translate }}</mat-icon>
+    </button>
+  }
 </mat-form-field>

src/app/shared/dropdown/dropdown.component.ts

@@ -1,4 +1,4 @@
-import { Component, Input } from '@angular/core';
+import { Component, Input, inject } from '@angular/core';
 import { UntypedFormControl, ReactiveFormsModule } from '@angular/forms';
 import { TranslateService } from '@ngx-translate/core';
 import { MatIconButton } from '@angular/material/button';
@@ -16,14 +16,14 @@ import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
   ]
 })
 export class DropdownComponent {
+  private translateService = inject(TranslateService);
+
   @Input() placeHolderText: string;
   @Input() labelText: string;
   @Input() selectOptions: any[] = [];
   @Input() controlSelect: UntypedFormControl;
   @Input() required: boolean;
 
-  constructor(private translateService: TranslateService) {}
-
   getPlaceHolderText(): string {
     return this.placeHolderText ? this.translateService.instant('labels.inputs.' + this.placeHolderText) : '';
   }