used IconButtonWidget for search icon

lib/ui/viewer/search/search_widget.dart

@@ -8,6 +8,7 @@ import 'package:photos/ente_theme_data.dart';
 import 'package:photos/models/search/search_result.dart';
 import 'package:photos/services/feature_flag_service.dart';
 import 'package:photos/services/search_service.dart';
+import 'package:photos/ui/components/icon_button_widget.dart';
 import 'package:photos/ui/viewer/search/result/no_result_widget.dart';
 import 'package:photos/ui/viewer/search/search_suffix_icon_widget.dart';
 import 'package:photos/ui/viewer/search/search_suggestions.dart';
@@ -32,20 +33,17 @@ class _SearchIconWidgetState extends State<SearchIconWidget> {
   Widget build(BuildContext context) {
     return Hero(
       tag: "search_icon",
-      child: Padding(
-        padding: const EdgeInsets.all(4.0),
-        child: IconButton(
-          visualDensity: const VisualDensity(horizontal: -2, vertical: -2),
-          onPressed: () {
-            Navigator.push(
-              context,
-              TransparentRoute(
-                builder: (BuildContext context) => const SearchWidget(),
-              ),
-            );
-          },
-          icon: const Icon(Icons.search),
-        ),
+      child: IconButtonWidget(
+        isPrimary: true,
+        icon: Icons.search,
+        onTap: () {
+          Navigator.push(
+            context,
+            TransparentRoute(
+              builder: (BuildContext context) => const SearchWidget(),
+            ),
+          );
+        },
       ),
     );
   }