refactor: replace ClassicHeader with custom refresh header in multiple pages

Co-authored-by: Copilot <copilot@github.com>

lib/modules/berkas/presentation/screen/berkas_page.dart

@@ -39,7 +39,6 @@ class _BerkasPageState extends State<BerkasPage> {
       refreshController: _refreshController,
       enablePullDown: true,
       onRefresh: _onRefresh,
-      refreshHeader: const ClassicHeader(),
       body: const SizedBox.shrink(),
       slivers: [
         if (todayBerkas.isNotEmpty)

lib/modules/home/presentation/screen/home_page.dart

@@ -57,7 +57,6 @@ class _HomeUIState extends State<HomeUI> {
       refreshController: _refreshController,
       enablePullDown: true,
       onRefresh: _onRefresh,
-      refreshHeader: const ClassicHeader(),
       body: Column(
         mainAxisAlignment: MainAxisAlignment.center,
         children: [

lib/modules/profile/presentation/screen/profile_page.dart

@@ -70,7 +70,6 @@ class _ProfileUIState extends State<ProfileUI> {
           refreshController: _refreshController,
           enablePullDown: true,
           onRefresh: _onRefresh,
-          refreshHeader: const ClassicHeader(),
           body: Center(
             child: ConstrainedBox(
               constraints: const BoxConstraints(maxWidth: 900),