Re-\added the focusInput method to allow desktop build run (#3937)

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

@@ -275,4 +275,9 @@ export class LoginComponent extends CaptchaProtectedComponent implements OnInit
       this.showLoginWithDevice = false;
     }
   }
+
+  protected focusInput() {
+    const email = this.loggedEmail;
+    document.getElementById(email == null || email === "" ? "email" : "masterPassword").focus();
+  }
 }