refa: list sheet

Closes #369

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/common/widgets/keep_alive_wrapper.dart

@@ -0,0 +1,27 @@
+import 'package:flutter/material.dart';
+
+class KeepAliveWrapper extends StatefulWidget {
+  const KeepAliveWrapper({
+    super.key,
+    required this.builder,
+    this.wantKeepAlive = true,
+  });
+
+  final WidgetBuilder builder;
+  final bool wantKeepAlive;
+
+  @override
+  State<KeepAliveWrapper> createState() => _KeepAliveWrapperState();
+}
+
+class _KeepAliveWrapperState extends State<KeepAliveWrapper>
+    with AutomaticKeepAliveClientMixin {
+  @override
+  Widget build(BuildContext context) {
+    super.build(context);
+    return widget.builder(context);
+  }
+
+  @override
+  bool get wantKeepAlive => widget.wantKeepAlive;
+}