Rework ExtensionAnonLayoutWrapperDataService to use BehaviorSubject

libs/auth/src/angular/login/default-login-component.service.ts

@@ -93,7 +93,7 @@ export class DefaultLoginComponentService implements LoginComponentService {
   /**
    * No-op implementation of showBackButton
    */
-  showBackButton(): void {
+  showBackButton(show: boolean): void {
     return;
   }
 }

libs/auth/src/angular/login/login-component.service.ts

@@ -42,5 +42,5 @@ export abstract class LoginComponentService {
   /**
    * Shows the back button.
    */
-  showBackButton: () => void;
+  showBackButton: (show: boolean) => void;
 }

libs/auth/src/angular/login/login.component.ts

@@ -327,6 +327,8 @@ export class LoginComponent implements OnInit, OnDestroy {
         pageSubtitle: this.emailFormControl.value,
         pageIcon: this.Icons.WaveIcon,
       });
+
+      this.loginComponentService.showBackButton(true);
     }
   }
 
@@ -348,8 +350,6 @@ export class LoginComponent implements OnInit, OnDestroy {
           this.masterPasswordInputRef?.nativeElement?.focus();
         });
       }
-
-      this.loginComponentService.showBackButton();
     }
   }