fix: Generic fixes of bugs from Support (#1774)

lib/src/screens/dashboard/desktop_widgets/desktop_wallet_selection_dropdown.dart

@@ -10,7 +10,6 @@ import 'package:cake_wallet/src/screens/dashboard/desktop_widgets/dropdown_item_
 import 'package:cake_wallet/src/screens/wallet_unlock/wallet_unlock_arguments.dart';
 import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
 import 'package:cake_wallet/store/settings_store.dart';
-import 'package:cake_wallet/themes/extensions/cake_text_theme.dart';
 import 'package:cake_wallet/themes/extensions/menu_theme.dart';
 import 'package:cake_wallet/utils/show_bar.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
@@ -100,6 +99,11 @@ class _DesktopWalletSelectionDropDownState extends State<DesktopWalletSelectionD
         ),
       ];
 
+      final selectedItem = dropDownItems.firstWhere(
+        (element) => element.isSelected,
+        orElse: () => dropDownItems.first,
+      );
+
       return DropdownButton<DesktopDropdownItem>(
         items: dropDownItems
             .map(
@@ -115,7 +119,7 @@ class _DesktopWalletSelectionDropDownState extends State<DesktopWalletSelectionD
         dropdownColor: themeData.extension<CakeMenuTheme>()!.backgroundColor,
         style: TextStyle(color: themeData.extension<CakeTextTheme>()!.titleColor),
         selectedItemBuilder: (context) => dropDownItems.map((item) => item.child).toList(),
-        value: dropDownItems.firstWhere((element) => element.isSelected),
+        value: selectedItem,
         underline: const SizedBox(),
         focusColor: Colors.transparent,
         borderRadius: BorderRadius.circular(15.0),

lib/src/screens/wallet_connect/widgets/modals/bottom_sheet_listener.dart

@@ -52,7 +52,9 @@ class BottomSheetListenerState extends State<BottomSheetListener> {
           );
         },
       );
-      item.completer.complete(value);
+      if (!item.completer.isCompleted) {
+        item.completer.complete(value);
+      }
       widget.bottomSheetService.resetCurrentSheet();
     }
   }

lib/src/widgets/cake_image_widget.dart

@@ -25,6 +25,7 @@ class CakeImageWidget extends StatelessWidget {
           imageUrl!,
           height: height,
           width: width,
+          errorBuilder: (_, __, ___) => Icon(Icons.error),
         );
       }
 
@@ -33,6 +34,7 @@ class CakeImageWidget extends StatelessWidget {
           imageUrl!,
           height: height,
           width: width,
+          placeholderBuilder: (_) => Icon(Icons.error),
         );
       }
 

lib/src/widgets/services_updates_widget.dart

@@ -46,6 +46,7 @@ class _ServicesUpdatesWidgetState extends State<ServicesUpdatesWidget> {
           "assets/images/notification_icon.svg",
           color: Theme.of(context).extension<DashboardPageTheme>()!.pageTitleTextColor,
           width: 30,
+          placeholderBuilder: (_) => Icon(Icons.error),
         ),
       );
     }
@@ -136,6 +137,7 @@ class _ServicesUpdatesWidgetState extends State<ServicesUpdatesWidget> {
                   "assets/images/notification_icon.svg",
                   color: Theme.of(context).extension<DashboardPageTheme>()!.pageTitleTextColor,
                   width: 30,
+                  placeholderBuilder: (_) => Icon(Icons.error),
                 ),
                 if (state.hasData && state.data!.hasUpdates && !wasOpened)
                   Container(