Card stuck at it's previous postion after performing search. Trying to search constitutions using the titles from an API - flutter

Question

Constitution Card stuck at its position after performing search instead of moving to the top first position in the gridview. The searched card is supposed to appear at the the index[0] of the gridview where "Test Constitution" when filtered after performing search .
Could post images because of low reputution from Stackoverflow
Before Search
After Search
This's the code.
class _HomePageState extends State<HomePage> {
final ConstitutionController constitutionController = Get.find();
String search = "";
#override
Widget build(BuildContext context) {
final double height = MediaQuery.of(context).size.height;
return Scaffold(
appBar: AppBar(
backgroundColor: const Color(0xFF0B3C5D),
elevation: 0.0,
),
drawer: DrawerWidget(),
body: Stack(children: [
Container(
),
),
SafeArea(
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 20),
child: Column(
children: [
Text(),
),
// The Search bar
Container(
margin: const EdgeInsets.symmetric(vertical: 30),
padding:
const EdgeInsets.symmetric(horizontal: 20, vertical: 8),
child: CupertinoSearchTextField(
onChanged: ((value) {
setState(() {
search = value;
}
);
}),
autofocus: true,
itemColor: Colors.black,
itemSize: 20,
backgroundColor: const Color.fromARGB(255, 185, 204, 218),
placeholderStyle: const TextStyle(
color: Colors.black,
fontSize: 18,
),
),
),
const SizedBox(
height: 70,
),
Flexible(
child: Obx(() {
if (constitutionController.isLoading.value) {
return GridView.builder(
itemBuilder: (_, __) {
return Shimmer.fromColors(
baseColor: Colors.grey[300]!,
highlightColor: Colors.grey[100]!,
period: Duration(seconds: 2),
enabled: constitutionController.isLoading.value,
child: ShimmerGridCard());
},
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 2),
);
} else {
return GridView.builder(
itemCount:
constitutionController.constitutionList.length,
gridDelegate:
SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 2),
itemBuilder: (context, index) {
Constitution constitution =
constitutionController.constitutionList[index];
if (search.isEmpty) {
return InkWell(
onTap: (() {
Get.to(BranchPage(
constitutionId: constitution));
}),
child: ConstitutionCard(constitutionController
.constitutionList[index]));
}
if (constitution.title
.toLowerCase()
.contains(search)) {
return InkWell(
onTap: (() {
Get.to(BranchPage(
constitutionId: constitution));
}),
child: ConstitutionCard(constitutionController
.constitutionList[index]));
}
return null;
});
}
}),
),
],
),
),
),
]),
);
}
}