use overlay buidler instead of instance

app/lib/features/geckoview/domain/controllers/overlay.dart

@@ -25,13 +25,13 @@ part 'overlay.g.dart';
 @Riverpod()
 class OverlayController extends _$OverlayController {
   @override
-  Widget? build() {
+  WidgetBuilder? build() {
     return null;
   }
 
   // ignore: use_setters_to_change_properties api decision
-  void show(Widget dialog) {
-    state = dialog;
+  void show(WidgetBuilder builder) {
+    state = builder;
   }
 
   void dismiss() {

app/lib/features/geckoview/domain/controllers/overlay.g.dart

@@ -6,12 +6,12 @@ part of 'overlay.dart';
 // RiverpodGenerator
 // **************************************************************************
 
-String _$overlayControllerHash() => r'b6dc3ca17611c4efadc7e8248d493cd3c7061e01';
+String _$overlayControllerHash() => r'7b7885e07ae557c14199b6942b5d6392592ab747';
 
 /// See also [OverlayController].
 @ProviderFor(OverlayController)
 final overlayControllerProvider =
-    AutoDisposeNotifierProvider<OverlayController, Widget?>.internal(
+    AutoDisposeNotifierProvider<OverlayController, WidgetBuilder?>.internal(
       OverlayController.new,
       name: r'overlayControllerProvider',
       debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
@@ -21,6 +21,6 @@ final overlayControllerProvider =
       allTransitiveDependencies: null,
     );
 
-typedef _$OverlayController = AutoDisposeNotifier<Widget?>;
+typedef _$OverlayController = AutoDisposeNotifier<WidgetBuilder?>;
 // ignore_for_file: type=lint
 // ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member, deprecated_member_use_from_same_package

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

@@ -57,7 +57,7 @@ class BrowserScreen extends HookConsumerWidget {
     final eventService = ref.watch(eventServiceProvider);
 
     final displayedSheet = ref.watch(bottomSheetControllerProvider);
-    final displayedOverlay = ref.watch(overlayControllerProvider);
+    final overlayBuilder = ref.watch(overlayControllerProvider);
 
     final lastBackButtonPress = useRef<DateTime?>(null);
 
@@ -130,7 +130,7 @@ class BrowserScreen extends HookConsumerWidget {
               return OverlayPortal(
                 controller: overlayController,
                 overlayChildBuilder: (context) {
-                  return displayedOverlay!;
+                  return overlayBuilder!.call(context);
                 },
                 child: Listener(
                   onPointerDown: (displayedSheet != null)
@@ -161,7 +161,7 @@ class BrowserScreen extends HookConsumerWidget {
                         return true;
                       }
 
-                      if (displayedOverlay != null) {
+                      if (overlayBuilder != null) {
                         ref.read(overlayControllerProvider.notifier).dismiss();
                         return true;
                       }

app/lib/features/tor/presentation/controllers/start_tor_proxy.dart

@@ -51,7 +51,10 @@ class StartProxyController extends _$StartProxyController {
 
           ref
               .read(overlayControllerProvider.notifier)
-              .show(Positioned(top: 0, left: 0, child: TorNotification()));
+              .show(
+                (context) =>
+                    Positioned(top: 0, left: 0, child: TorNotification()),
+              );
 
           await connection;
         }

app/lib/features/tor/presentation/controllers/start_tor_proxy.g.dart

@@ -7,7 +7,7 @@ part of 'start_tor_proxy.dart';
 // **************************************************************************
 
 String _$startProxyControllerHash() =>
-    r'b83cdc1b6d1c358a2042ff2b7cc2f19f82e5d5ed';
+    r'3e8b409f069f32b601b1c60acbe0a72694fd1cc2';
 
 /// See also [StartProxyController].
 @ProviderFor(StartProxyController)