fix tab sheet scroll logic

app/lib/features/geckoview/features/browser/presentation/widgets/sheets/view_tabs.dart

@@ -456,13 +456,10 @@ class ViewTabsSheetWidget extends HookConsumerWidget {
               );
 
               final lastScroll = useRef<String?>(null);
-              final scrollControllerIsAttached = useListenableSelector(
-                sheetScrollController,
-                () => sheetScrollController.hasClients,
-              );
 
               useEffect(() {
-                if (scrollControllerIsAttached) {
+                WidgetsBinding.instance.addPostFrameCallback((_) {
+                  if (sheetScrollController.hasClients) {
                     if (lastScroll.value != activeTab) {
                       final index = filteredTabEntities.value.indexWhere(
                         (entity) => entity.tabId == activeTab,
@@ -485,9 +482,10 @@ class ViewTabsSheetWidget extends HookConsumerWidget {
                       }
                     }
                   }
+                });
 
                 return null;
-              }, [filteredTabEntities, activeTab, scrollControllerIsAttached]);
+              }, [filteredTabEntities, activeTab]);
 
               final tabs = useMemoized(() {
                 return [