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/users/edit-user/edit-user.component.ts

@@ -1,5 +1,5 @@
 /** Angular Imports */
-import { Component, OnInit } from '@angular/core';
+import { Component, OnInit, inject } from '@angular/core';
 import { ActivatedRoute, Router, RouterLink } from '@angular/router';
 import { UntypedFormGroup, UntypedFormBuilder, Validators, ReactiveFormsModule } from '@angular/forms';
 
@@ -21,6 +21,11 @@ import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
   ]
 })
 export class EditUserComponent implements OnInit {
+  private formBuilder = inject(UntypedFormBuilder);
+  private usersService = inject(UsersService);
+  private route = inject(ActivatedRoute);
+  private router = inject(Router);
+
   /** User Data */
   userData: any;
   /** Offices Data */
@@ -39,12 +44,7 @@ export class EditUserComponent implements OnInit {
    * @param {ActivatedRoute} route Activated Route.
    * @param {Router} router Router for navigation.
    */
-  constructor(
-    private formBuilder: UntypedFormBuilder,
-    private usersService: UsersService,
-    private route: ActivatedRoute,
-    private router: Router
-  ) {
+  constructor() {
     this.route.data.subscribe((data: { user: any; usersTemplate: any }) => {
       this.userData = data.user;
       this.officesData = data.usersTemplate.allowedOffices;
@@ -78,13 +78,15 @@ export class EditUserComponent implements OnInit {
         this.userData.firstname,
         [
           Validators.required,
-          Validators.pattern('(^[A-z]).*')]
+          Validators.pattern('(^[A-z]).*')
+        ]
       ],
       lastname: [
         this.userData.lastname,
         [
           Validators.required,
-          Validators.pattern('(^[A-z]).*')]
+          Validators.pattern('(^[A-z]).*')
+        ]
       ],
       passwordNeverExpires: [this.userData.passwordNeverExpires],
       officeId: [