BUG: MIH Ad Display Strategy

Frontend/lib/mih_components/mih_package_components/mih_banner_ad.dart

@@ -12,10 +12,28 @@ class MihBannerAd extends StatefulWidget {
 }
 
 class _MihBannerAdState extends State<MihBannerAd> {
+  @override
+  void dispose() {
+    super.dispose();
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    MihBannerAdProvider adProvider = context.read<MihBannerAdProvider>();
+    WidgetsBinding.instance.addPostFrameCallback((_) {
+      adProvider.reset();
+      adProvider.loadBannerAd();
+    });
+  }
+
   @override
   Widget build(BuildContext context) {
     return Consumer<MihBannerAdProvider>(
       builder: (context, bannerAdProvider, child) {
+        if (!bannerAdProvider.isBannerAdLoaded) {
+          return SizedBox();
+        }
         return Column(
           children: [
             bannerAdProvider.bannerAd != null &&

Frontend/lib/mih_components/mih_providers/mih_banner_ad_provider.dart

@@ -28,6 +28,11 @@ class MihBannerAdProvider extends ChangeNotifier {
   }
 
   void loadBannerAd() {
+    if (bannerAd != null) {
+      bannerAd!.dispose();
+      bannerAd = null;
+      isBannerAdLoaded = false;
+    }
     bannerAd = BannerAd(
       adUnitId: adUnitId,
       request: const AdRequest(),