Adjust to Flutter 3.19

Author: Alon Catz

lib/widgets/picker_fields/card_settings_list_picker.dart

@@ -34,7 +34,7 @@ class CardSettingsListPicker<T> extends FormField<T>
     this.fieldPadding,
   }) : super(
             key: key,
-            initialValue: initialItem ?? null,
+            initialValue: initialItem,
             onSaved: onSaved,
             validator: validator,
             autovalidateMode: autovalidateMode,

lib/widgets/picker_fields/card_settings_radio_picker.dart

@@ -35,7 +35,7 @@ class CardSettingsRadioPicker<T> extends FormField<T>
     this.fieldPadding,
   }) : super(
             key: key,
-            initialValue: initialItem ?? null,
+            initialValue: initialItem,
             onSaved: onSaved,
             validator: validator,
             // autovalidate: autovalidate,

lib/widgets/picker_fields/card_settings_selection_picker.dart

@@ -36,7 +36,7 @@ class CardSettingsSelectionPicker<T> extends FormField<T>
     this.iconizer,
   }) : super(
             key: key,
-            initialValue: initialItem ?? null,
+            initialValue: initialItem,
             onSaved: onSaved,
             validator: validator,
             // autovalidate: autovalidate,

pubspec.yaml

@@ -1,6 +1,6 @@
 name: card_settings
 description: A flutter package for building card based settings forms. This includes a library of pre-built form field widgets.
-version: 3.5.0 
+version: 3.5.1
 homepage: https://github.com/codegrue/card_settings
 issue_tracker: https://github.com/codegrue/card_settings/issues