create SortingNotifierState

Author: AhmedAbdoElhawary

lib/features/sorting/view_model/sorting_state.dart

@@ -0,0 +1,18 @@
+part of 'sorting_notifier.dart';
+
+class SortingNotifierState {
+  final List<SortableItem> list;
+  final Map<int, Offset> positions;
+
+  SortingNotifierState({required this.list, this.positions = const {}});
+
+  SortingNotifierState copyWith({
+    List<SortableItem>? list,
+    Map<int, Offset>? positions,
+  }) {
+    return SortingNotifierState(
+      list: list ?? this.list,
+      positions: positions ?? this.positions,
+    );
+  }
+}