[PM-5237] Clients, Self Hosted: Login - Hide "Create account" when registration disabled (#11811)

* Add server settings model and service.

* Inject ServerSettingsService into the login-secondary-content component.

* Fix merge conflict

* Add server settings to old views

* Remove server settings from desktop/mobile

* Cleanup unused code

* Remove changes to default config

* Conditionally show/hide HR element

* Add tests

* PM-5237 - Move ServerSettingsService to jslib-services.module so it is the same across all clients and to solve NullInjectorErrors on desktop & browser extension

* Remove change to v1 components

* Rename ServerSettingsService to DefaultServerSettingsService

* Remove unnecessary map call

* Remove server interface in favor of using ServerSettings class

* Add back HR element

---------

Co-authored-by: Jared Snider <jsnider@bitwarden.com>

libs/auth/src/angular/login/login-secondary-content.component.ts

@@ -4,13 +4,14 @@ import { RouterModule } from "@angular/router";
 
 import { JslibModule } from "@bitwarden/angular/jslib.module";
 import { RegisterRouteService } from "@bitwarden/auth/common";
+import { DefaultServerSettingsService } from "@bitwarden/common/platform/services/default-server-settings.service";
 import { LinkModule } from "@bitwarden/components";
 
 @Component({
   standalone: true,
   imports: [CommonModule, JslibModule, LinkModule, RouterModule],
   template: `
-    <div class="tw-text-center">
+    <div class="tw-text-center" *ngIf="!(isUserRegistrationDisabled$ | async)">
       {{ "newToBitwarden" | i18n }}
       <a bitLink [routerLink]="registerRoute$ | async">{{ "createAccount" | i18n }}</a>
     </div>
@@ -18,7 +19,10 @@ import { LinkModule } from "@bitwarden/components";
 })
 export class LoginSecondaryContentComponent {
   registerRouteService = inject(RegisterRouteService);
+  serverSettingsService = inject(DefaultServerSettingsService);
 
   // TODO: remove when email verification flag is removed
   protected registerRoute$ = this.registerRouteService.registerRoute$();
+
+  protected isUserRegistrationDisabled$ = this.serverSettingsService.isUserRegistrationDisabled$;
 }