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/accounting/search-journal-entry/search-journal-entry.component.html

@@ -16,9 +16,11 @@
   <mat-form-field class="flex-31">
     <mat-label>{{ 'labels.inputs.Filter' | translate }}</mat-label>
     <mat-select [formControl]="entryTypeFilter" (selectionChange)="applyFilter($event.value, 'manualEntriesOnly')">
-      <mat-option *ngFor="let filter of entryTypeFilterData" [value]="filter.value">
-        {{ filter.option }}
-      </mat-option>
+      @for (filter of entryTypeFilterData; track filter) {
+        <mat-option [value]="filter.value">
+          {{ filter.option }}
+        </mat-option>
+      }
     </mat-select>
   </mat-form-field>
 
@@ -80,9 +82,11 @@
 
 <!-- Autocomplete data -->
 <mat-autocomplete autoActiveFirstOption #officeNameAutocomplete="matAutocomplete" [displayWith]="displayOfficeName">
-  <mat-option *ngFor="let office of filteredOfficeData | async" [value]="{ id: office.id, name: office.name }">
-    {{ office.name }}
-  </mat-option>
+  @for (office of filteredOfficeData | async; track office) {
+    <mat-option [value]="{ id: office.id, name: office.name }">
+      {{ office.name }}
+    </mat-option>
+  }
 </mat-autocomplete>
 
 <div class="mat-elevation-z8 container table-container">
@@ -139,14 +143,18 @@
     <ng-container matColumnDef="debit">
       <th mat-header-cell *matHeaderCellDef mat-sort-header>{{ 'labels.inputs.Debit' | translate }}</th>
       <td mat-cell *matCellDef="let journalEntry">
-        <span *ngIf="journalEntry.entryType.value === 'DEBIT'"> {{ journalEntry.amount | formatNumber }} </span>
+        @if (journalEntry.entryType.value === 'DEBIT') {
+          <span> {{ journalEntry.amount | formatNumber }} </span>
+        }
       </td>
     </ng-container>
 
     <ng-container matColumnDef="credit">
       <th mat-header-cell *matHeaderCellDef mat-sort-header>{{ 'labels.inputs.Credit' | translate }}</th>
       <td mat-cell *matCellDef="let journalEntry">
-        <span *ngIf="journalEntry.entryType.value === 'CREDIT'"> {{ journalEntry.amount | formatNumber }} </span>
+        @if (journalEntry.entryType.value === 'CREDIT') {
+          <span> {{ journalEntry.amount | formatNumber }} </span>
+        }
       </td>
     </ng-container>