persist selected container

app/lib/features/geckoview/domain/repositories/tab.g.dart

@@ -41,7 +41,7 @@ final class TabRepositoryProvider
   }
 }
 
-String _$tabRepositoryHash() => r'22fdd97ad7f235590926915169c9e7230de94bdb';
+String _$tabRepositoryHash() => r'87d2a4a0bca93c2d925aa1c81ff80d443185950a';
 
 abstract class _$TabRepository extends $Notifier<void> {
   void build();

app/lib/features/geckoview/features/browser/presentation/screens/browser.dart

@@ -817,6 +817,9 @@ class _SheetContainer extends HookConsumerWidget {
   @override
   Widget build(BuildContext context, WidgetRef ref) {
     final colorScheme = Theme.of(context).colorScheme;
+    final modalBarrierColor =
+        Theme.of(context).bottomSheetTheme.modalBarrierColor ??
+        colorScheme.scrim.withValues(alpha: 0.5);
 
     bool dismissOnThreshold(DraggableScrollableNotification notification) {
       if (notification.extent <= 0.1) {
@@ -833,7 +836,7 @@ class _SheetContainer extends HookConsumerWidget {
         ref.read(bottomSheetControllerProvider.notifier).requestDismiss();
       },
       child: ColoredBox(
-        color: colorScheme.scrim.withValues(alpha: 0.5),
+        color: modalBarrierColor,
         child: GestureDetector(
           onTap: () {}, // Prevent tap from propagating to parent
           child: Align(

app/lib/features/geckoview/features/tabs/domain/providers/selected_container.g.dart

@@ -41,7 +41,7 @@ final class SelectedContainerProvider
   }
 }
 
-String _$selectedContainerHash() => r'0ffa17823ec95c94b9cf9b2d005de19d6ff992f8';
+String _$selectedContainerHash() => r'1e2c67dc70fedb2b910640fbfbe09f2c4806894b';
 
 abstract class _$SelectedContainer extends $Notifier<String?> {
   String? build();