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/account-transfers/view-account-transfer/view-account-transfer.component.html

@@ -1,10 +1,12 @@
 <div class="container">
   <div class="container m-b-20 align-end gap-2px">
-    <span *ngIf="!viewAccountTransferData.reversed">
-      <button mat-raised-button color="warn" *mifosxHasPermission="'ADJUST_ACCOUNTTRANSFER'">
-        <fa-icon icon="undo" class="m-r-10"></fa-icon>{{ 'labels.buttons.Undo' | translate }}
-      </button>
-    </span>
+    @if (!viewAccountTransferData.reversed) {
+      <span>
+        <button mat-raised-button color="warn" *mifosxHasPermission="'ADJUST_ACCOUNTTRANSFER'">
+          <fa-icon icon="undo" class="m-r-10"></fa-icon>{{ 'labels.buttons.Undo' | translate }}
+        </button>
+      </span>
+    }
   </div>
 
   <mat-card>