feat: Remove ability to create haven wallets (#1273)

lib/src/screens/new_wallet/new_wallet_type_page.dart

@@ -1,12 +1,14 @@
 import 'package:cake_wallet/generated/i18n.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
 import 'package:cake_wallet/src/screens/new_wallet/widgets/select_button.dart';
+import 'package:cake_wallet/src/screens/setup_2fa/widgets/popup_cancellable_alert.dart';
 import 'package:cake_wallet/src/widgets/primary_button.dart';
 import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart';
 import 'package:cake_wallet/src/widgets/search_bar_widget.dart';
 import 'package:cake_wallet/themes/extensions/cake_text_theme.dart';
 import 'package:cake_wallet/themes/theme_base.dart';
 import 'package:cake_wallet/utils/responsive_layout_util.dart';
+import 'package:cake_wallet/utils/show_pop_up.dart';
 import 'package:cake_wallet/wallet_types.g.dart';
 import 'package:cw_core/wallet_type.dart';
 import 'package:flutter/material.dart';
@@ -70,7 +72,8 @@ class WalletTypeFormState extends State<WalletTypeForm> {
   Widget build(BuildContext context) {
     return Center(
         child: ConstrainedBox(
-            constraints: BoxConstraints(maxWidth: ResponsiveLayoutUtilBase.kDesktopMaxWidthConstraint),
+            constraints:
+                BoxConstraints(maxWidth: ResponsiveLayoutUtilBase.kDesktopMaxWidthConstraint),
             child: Column(
               children: [
                 Padding(
@@ -128,6 +131,19 @@ class WalletTypeFormState extends State<WalletTypeForm> {
       throw Exception('Wallet Type is not selected yet.');
     }
 
+    if (selected == WalletType.haven) {
+      return await showPopUp<void>(
+        context: context,
+        builder: (BuildContext context) {
+          return PopUpCancellableAlertDialog(
+            contentText: S.of(context).pause_wallet_creation,
+            actionButtonText: S.of(context).ok,
+            buttonAction: () => Navigator.of(context).pop(),
+          );
+        },
+      );
+    }
+
     widget.onTypeSelected(context, selected!);
   }
 }