wrapped custom_navigation_bar in safearea

lib/presentation/views/main_menu/custom_navigation_bar.dart

@@ -31,7 +31,8 @@ class _CustomNavigationBarState extends State<CustomNavigationBar>
 
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
+    return SafeArea(
+      child: Scaffold(
         appBar: AppBar(
           centerTitle: true,
           title: Text(
@@ -101,6 +102,7 @@ class _CustomNavigationBarState extends State<CustomNavigationBar>
             ),
           ),
         ),
+      ),
     );
   }