fix : update local.properties path and improve null safety in chicken_local_imp.dart and chicken_repository_imp.dart; refactor profile view for better readability

packages/chicken/lib/data/data_source/local/chicken_local_imp.dart

@@ -44,12 +44,11 @@ class ChickenLocalDataSourceImp implements ChickenLocalDataSource {
         path: ChickenRoutes.buysInProvinceSteward,
       ),
     ];
-
   }
 
   @override
   WidelyUsedLocalModel? getAllWidely() {
     var res = local.readBox<WidelyUsedLocalModel>(boxName: boxName);
-    return res?.first;
+    return res?.isNotEmpty == true ? res!.first : null;
   }
 }