feat: locked view mobile (#18316)

* feat: locked/private view

* feat: locked/private view

* feat: mobile lock/private view

* feat: mobile lock/private view

* merge main

* pr feedback

* pr feedback

* bottom sheet sizing

* always lock when navigating away

mobile/lib/models/auth/biometric_status.model.dart

@@ -0,0 +1,38 @@
+import 'package:collection/collection.dart';
+import 'package:local_auth/local_auth.dart';
+
+class BiometricStatus {
+  final List<BiometricType> availableBiometrics;
+  final bool canAuthenticate;
+
+  const BiometricStatus({
+    required this.availableBiometrics,
+    required this.canAuthenticate,
+  });
+
+  @override
+  String toString() =>
+      'BiometricStatus(availableBiometrics: $availableBiometrics, canAuthenticate: $canAuthenticate)';
+
+  BiometricStatus copyWith({
+    List<BiometricType>? availableBiometrics,
+    bool? canAuthenticate,
+  }) {
+    return BiometricStatus(
+      availableBiometrics: availableBiometrics ?? this.availableBiometrics,
+      canAuthenticate: canAuthenticate ?? this.canAuthenticate,
+    );
+  }
+
+  @override
+  bool operator ==(covariant BiometricStatus other) {
+    if (identical(this, other)) return true;
+    final listEquals = const DeepCollectionEquality().equals;
+
+    return listEquals(other.availableBiometrics, availableBiometrics) &&
+        other.canAuthenticate == canAuthenticate;
+  }
+
+  @override
+  int get hashCode => availableBiometrics.hashCode ^ canAuthenticate.hashCode;
+}