dispose images correctly

app/lib/domain/services/generic_website.dart

@@ -86,11 +86,14 @@ class GenericWebsiteService extends _$GenericWebsiteService {
   //Global icon cache
   late CacheRepository _cacheRepository;
   //Local decoded icon cache
-  final LRUCache<String, BrowserIcon> _browserIconCache;
+  late final LRUCache<String, BrowserIcon> _browserIconCache;
 
   GenericWebsiteService()
     : _iconsService = GeckoIconService(),
-      _browserIconCache = LRUCache(50);
+      _browserIconCache = LRUCache(
+        50,
+        onEvict: (icon) => icon.image.dispose(),
+      );
 
   @override
   void build() {

app/lib/domain/services/generic_website.g.dart

@@ -42,7 +42,7 @@ final class GenericWebsiteServiceProvider
 }
 
 String _$genericWebsiteServiceHash() =>
-    r'44d6e4cc161b1200070d99e29c1db04cd18ca091';
+    r'32a561820bda432f3c17e05b9da9c85871efffb4';
 
 abstract class _$GenericWebsiteService extends $Notifier<void> {
   void build();