Fix scoped model analysis errors

Author: brianegan

scoped_model/lib/app.dart

@@ -10,7 +10,7 @@ import 'package:todos_repository_core/todos_repository_core.dart';
 class ScopedModelApp extends StatelessWidget {
   final TodosRepository repository;
 
-  ScopedModelApp({required this.repository});
+  const ScopedModelApp({super.key, required this.repository});
 
   @override
   Widget build(BuildContext context) {

scoped_model/lib/widgets/stats_counter.dart

@@ -1,12 +1,11 @@
-import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:scoped_model/scoped_model.dart';
 import 'package:scoped_model_sample/models.dart';
 import 'package:scoped_model_sample/todo_list_model.dart';
 import 'package:todos_app_core/todos_app_core.dart';
 
 class StatsCounter extends StatelessWidget {
-  StatsCounter() : super(key: ArchSampleKeys.statsCounter);
+  const StatsCounter({super.key = ArchSampleKeys.statsCounter});
 
   bool isActive(Todo todo) => !todo.complete;
 

scoped_model/pubspec.yaml

@@ -21,6 +21,7 @@ dependencies:
   collection:
   flutter:
     sdk: flutter
+  path_provider:
   scoped_model:
   shared_preferences:
   todos_app_core: