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/shared/external-identifier/external-identifier.component.ts

@@ -1,4 +1,4 @@
-import { Component, Input, OnInit } from '@angular/core';
+import { Component, Input, OnInit, inject } from '@angular/core';
 import { Clipboard } from '@angular/cdk/clipboard';
 import { AlertService } from 'app/core/alert/alert.service';
 import { FaIconComponent } from '@fortawesome/angular-fontawesome';
@@ -16,6 +16,9 @@ import { STANDALONE_SHARED_IMPORTS } from 'app/standalone-shared.module';
   ]
 })
 export class ExternalIdentifierComponent implements OnInit {
+  private clipboard = inject(Clipboard);
+  private alertService = inject(AlertService);
+
   @Input() externalId: string;
   @Input() completed = false;
   @Input() display = 'right';
@@ -25,11 +28,6 @@ export class ExternalIdentifierComponent implements OnInit {
   displayR = true;
   emptyValue = false;
 
-  constructor(
-    private clipboard: Clipboard,
-    private alertService: AlertService
-  ) {}
-
   ngOnInit(): void {
     this.emptyValue = !this.externalId || this.externalId === '';
     this.displayL = this.display === 'left';