use stack instead of visibility

Author: FaFre

app/lib/features/geckoview/features/browser/presentation/widgets/browser_modules/browser_view.dart

@@ -218,71 +218,74 @@ class _BrowserViewState extends ConsumerState<BrowserView>
       },
     );
 
-    return Visibility(
-      visible: hasTab,
-      maintainState: true,
-      replacement: SizedBox.expand(child: Container(color: Colors.grey[800])),
-      child: GeckoView(
-        preInitializationStep: () async {
-          await ref
-              .read(eventServiceProvider)
-              .viewReadyStateEvents
-              .firstWhere((state) => state == true)
-              .timeout(
-                const Duration(seconds: 3),
-                onTimeout: () {
-                  logger.e(
-                    'Browser fragement not reported ready, trying to intitialize anyways',
-                  );
-                  return true;
-                },
-              );
-        },
-        postInitializationStep: () async {
-          await widget.postInitializationStep?.call();
-
-          if (!initializationCompleter.isCompleted) {
-            const quickActions = QuickActions();
-
-            //Debounce: https://github.com/flutter/flutter/issues/131121
-            DateTime? lastAction;
-            await quickActions.initialize((type) async {
-              if (lastAction == null ||
-                  DateTime.now().difference(lastAction!) >
-                      const Duration(seconds: 5)) {
-                if (type == 'new_tab') {
-                  lastAction = DateTime.now();
-
-                  final router = await ref.read(routerProvider.future);
-                  const route = SearchRoute(tabType: TabType.regular);
-
-                  await router.push(route.location);
-                } else if (type == 'new_private_tab') {
-                  lastAction = DateTime.now();
-
-                  final router = await ref.read(routerProvider.future);
-                  const route = SearchRoute(tabType: TabType.private);
-
-                  await router.push(route.location);
-                } else {
-                  throw UnimplementedError();
+    return Stack(
+      children: [
+        GeckoView(
+          preInitializationStep: () async {
+            await ref
+                .read(eventServiceProvider)
+                .viewReadyStateEvents
+                .firstWhere((state) => state == true)
+                .timeout(
+                  const Duration(seconds: 3),
+                  onTimeout: () {
+                    logger.e(
+                      'Browser fragement not reported ready, trying to intitialize anyways',
+                    );
+                    return true;
+                  },
+                );
+          },
+          postInitializationStep: () async {
+            await widget.postInitializationStep?.call();
+
+            if (!initializationCompleter.isCompleted) {
+              const quickActions = QuickActions();
+
+              //Debounce: https://github.com/flutter/flutter/issues/131121
+              DateTime? lastAction;
+              await quickActions.initialize((type) async {
+                if (lastAction == null ||
+                    DateTime.now().difference(lastAction!) >
+                        const Duration(seconds: 5)) {
+                  if (type == 'new_tab') {
+                    lastAction = DateTime.now();
+
+                    final router = await ref.read(routerProvider.future);
+                    const route = SearchRoute(tabType: TabType.regular);
+
+                    await router.push(route.location);
+                  } else if (type == 'new_private_tab') {
+                    lastAction = DateTime.now();
+
+                    final router = await ref.read(routerProvider.future);
+                    const route = SearchRoute(tabType: TabType.private);
+
+                    await router.push(route.location);
+                  } else {
+                    throw UnimplementedError();
+                  }
                 }
-              }
-            });
-
-            await quickActions.setShortcutItems([
-              //TODO: add icons
-              const ShortcutItem(type: 'new_tab', localizedTitle: 'New Tab'),
-              const ShortcutItem(
-                type: 'new_private_tab',
-                localizedTitle: 'New Private Tab',
-              ),
-            ]);
-
-            initializationCompleter.complete();
-          }
-        },
-      ),
+              });
+
+              await quickActions.setShortcutItems([
+                //TODO: add icons
+                const ShortcutItem(type: 'new_tab', localizedTitle: 'New Tab'),
+                const ShortcutItem(
+                  type: 'new_private_tab',
+                  localizedTitle: 'New Private Tab',
+                ),
+              ]);
+
+              initializationCompleter.complete();
+            }
+          },
+        ),
+        if (!hasTab)
+          Positioned.fill(
+            child: SizedBox.expand(child: Container(color: Colors.grey[800])),
+          ),
+      ],
     );
   }