fix : some ui bug

packages/chicken/lib/presentation/pages/poultry_science/farm/logic.dart

@@ -41,7 +41,7 @@ class FarmLogic extends GetxController {
 
   RxInt currentPage = 1.obs;
   final RxBool isLoadingMoreList = false.obs;
-  RxList<int> isExpandedList = <int>[].obs;
+  RxInt expandedIndex = RxInt(-1);
 
   @override
   void onReady() {
@@ -92,7 +92,7 @@ class FarmLogic extends GetxController {
               previous: res?.previous,
               results: [
                 ...(farmList.value.data?.results ?? []),
-                ...?(res?.results as List<PoultryFarm>?),
+                ...?res?.results,
               ],
             ),
           );
@@ -101,4 +101,7 @@ class FarmLogic extends GetxController {
       onError: (error, stackTrace) {},
     );
   }
+  void toggleExpanded(int index) {
+    expandedIndex.value = expandedIndex.value == index ? -1 : index;
+  }
 }

packages/chicken/lib/presentation/pages/poultry_science/farm/view.dart

@@ -51,15 +51,15 @@ class FarmPage extends GetView<FarmLogic> {
             var item = data.value.data!.results![index];
             return ObxValue((val) {
               return ExpandableListItem2(
-                selected: val.contains(index),
-                onTap: () => controller.isExpandedList.toggle(index),
+                selected: val.value.isEqual(index),
+                onTap: () => controller.toggleExpanded(index),
                 index: index,
                 child: itemListWidget(item),
                 secondChild: itemListExpandedWidget(item),
                 labelColor: AppColor.blueLight,
                 labelIcon: Assets.vec.cubeScanSvg.path,
               );
-            }, controller.isExpandedList);
+            }, controller.expandedIndex);
           },
           itemCount: data.value.data?.results?.length ?? 0,
           separatorBuilder: (context, index) => SizedBox(height: 8.h),