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/home/home.component.html

@@ -22,9 +22,11 @@
       </div>
 
       <mat-autocomplete #activitySearch="matAutocomplete">
-        <mat-option *ngFor="let activity of filteredActivities | async" [routerLink]="activity.path">
-          <span>{{ activity.activity }}</span>
-        </mat-option>
+        @for (activity of filteredActivities | async; track activity) {
+          <mat-option [routerLink]="activity.path">
+            <span>{{ activity.activity }}</span>
+          </mat-option>
+        }
       </mat-autocomplete>
     </mat-card-content>
 
@@ -37,22 +39,24 @@
     <button mat-raised-button color="warn" (click)="popover.close(); configurationWizardService.closeConfigWizard()">
       {{ 'labels.buttons.Close' | translate }}
     </button>
-    <button
-      *ngIf="prev"
-      mat-raised-button
-      color="primary"
-      (click)="popover.close(); showPopover(prev.template, prev.target, 'bottom', true)"
-    >
-      {{ 'labels.buttons.Back' | translate }}
-    </button>
-    <button
-      *ngIf="next"
-      mat-raised-button
-      color="primary"
-      (click)="popover.close(); showPopover(next.template, next.target, 'bottom', true)"
-    >
-      {{ 'labels.buttons.Next' | translate }}
-    </button>
+    @if (prev) {
+      <button
+        mat-raised-button
+        color="primary"
+        (click)="popover.close(); showPopover(prev.template, prev.target, 'bottom', true)"
+      >
+        {{ 'labels.buttons.Back' | translate }}
+      </button>
+    }
+    @if (next) {
+      <button
+        mat-raised-button
+        color="primary"
+        (click)="popover.close(); showPopover(next.template, next.target, 'bottom', true)"
+      >
+        {{ 'labels.buttons.Next' | translate }}
+      </button>
+    }
   </div>
 </ng-template>