repository and data provider concept

lib/state/app/infrastructure/loadableState/view/loadable_state_background_loading.dart

@@ -1,14 +1,14 @@
 import 'package:flutter/material.dart';
 
+import 'loadable_state_consumer.dart';
+
 class LoadableStateBackgroundLoading extends StatelessWidget {
   final bool visible;
   const LoadableStateBackgroundLoading({required this.visible, super.key});
 
-  final Duration animationDuration = const Duration(milliseconds: 200);
-
   @override
   Widget build(BuildContext context) => AnimatedSwitcher(
-      duration: animationDuration,
+      duration: LoadableStateConsumer.animationDuration,
       transitionBuilder: (Widget child, Animation<double> animation) => SlideTransition(
         position: Tween<Offset>(
           begin: const Offset(0.0, -1.0),