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/clients/clients.component.ts

@@ -1,5 +1,5 @@
 /** Angular Imports. */
-import { Component, OnInit, ViewChild } from '@angular/core';
+import { Component, OnInit, ViewChild, inject } from '@angular/core';
 import { MatCheckbox } from '@angular/material/checkbox';
 import { MatPaginator, PageEvent } from '@angular/material/paginator';
 import { MatSort, Sort, MatSortHeader } from '@angular/material/sort';
@@ -20,7 +20,7 @@ import {
 /** Custom Services */
 import { environment } from '../../environments/environment';
 import { ClientsService } from './clients.service';
-import { NgIf, NgClass } from '@angular/common';
+import { NgClass } from '@angular/common';
 import { FaIconComponent } from '@fortawesome/angular-fontawesome';
 import { MatProgressBar } from '@angular/material/progress-bar';
 import { AccountNumberComponent } from '../shared/account-number/account-number.component';
@@ -57,6 +57,8 @@ import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
   ]
 })
 export class ClientsComponent implements OnInit {
+  private clientService = inject(ClientsService);
+
   @ViewChild('showClosedAccounts') showClosedAccounts: MatCheckbox;
 
   displayedColumns = [
@@ -84,8 +86,6 @@ export class ClientsComponent implements OnInit {
   @ViewChild(MatPaginator) paginator: MatPaginator;
   @ViewChild(MatSort) sort: MatSort;
 
-  constructor(private clientService: ClientsService) {}
-
   ngOnInit() {
     if (environment.preloadClients) {
       this.getClients();