CAKE-222 | applied adaptive picker to send and settings pages

lib/view_model/settings/picker_list_item.dart

@@ -6,15 +6,13 @@ class PickerListItem<ItemType> extends SettingsListItem {
       {@required String title,
       @required this.selectedItem,
       @required this.items,
-      void Function(ItemType item) onItemSelected,
-      this.isAlwaysShowScrollThumb = false})
+      void Function(ItemType item) onItemSelected})
       : _onItemSelected = onItemSelected,
         super(title);
 
   final ItemType Function() selectedItem;
   final List<ItemType> items;
   final void Function(ItemType item) _onItemSelected;
-  final bool isAlwaysShowScrollThumb;
 
   void onItemSelected(dynamic item) {
     if (item is ItemType) {

lib/view_model/settings/settings_view_model.dart

@@ -55,7 +55,6 @@ abstract class SettingsViewModelBase with Store {
         PickerListItem(
             title: S.current.settings_currency,
             items: FiatCurrency.all,
-            isAlwaysShowScrollThumb: true,
             selectedItem: () => fiatCurrency,
             onItemSelected: (FiatCurrency currency) =>
                 setFiatCurrency(currency)),
@@ -63,8 +62,6 @@ abstract class SettingsViewModelBase with Store {
             title: S.current.settings_fee_priority,
             items: TransactionPriority.forWalletType(wallet.type),
             selectedItem: () => transactionPriority,
-            isAlwaysShowScrollThumb:
-                   TransactionPriority.forWalletType(wallet.type).length > 3,
             onItemSelected: (TransactionPriority priority) =>
                 _settingsStore.transactionPriority = priority),
         SwitcherListItem(