refactor(ui): Use IconButton's tooltip method instead of the Tooltip widget in BrandHeroScreen

lib/ui/layouts/brand_hero_screen.dart

@@ -142,8 +142,6 @@ class _HeroSliverAppBarState extends State<HeroSliverAppBar> {
         if (widget.hasFlashButton && isMobile)
           AnimatedSwitcher(
             duration: const Duration(milliseconds: 300),
-            child: Tooltip(
-              message: 'jobs.title'.tr(),
             child: IconButton(
               onPressed: () {
                 showModalBottomSheet(
@@ -167,7 +165,7 @@ class _HeroSliverAppBarState extends State<HeroSliverAppBar> {
               color: isJobsListEmpty
                   ? Theme.of(context).colorScheme.onBackground
                   : Theme.of(context).colorScheme.primary,
-              ),
+              tooltip: 'jobs.title'.tr(),
             ),
           ),
         const SizedBox.shrink(),