chore: Apply dart analyze fixes

lib/src/ui/bloc/anime_list_bloc.dart

@@ -125,8 +125,9 @@ class AnimeListBloc extends Bloc<AnimeListEvent, AnimeListState> {
 
     final anime = state.animes[index];
     if (anime.episodesTotal != null &&
-        anime.episodesWatched + 1 > anime.episodesTotal!)
+        anime.episodesWatched + 1 > anime.episodesTotal!) {
       return;
+    }
 
     final newAnime = await GetIt.I
         .get<DatabaseService>()
@@ -226,8 +227,9 @@ class AnimeListBloc extends Bloc<AnimeListEvent, AnimeListState> {
 
     final manga = state.mangas[index];
     if (manga.chaptersTotal != null &&
-        manga.chaptersRead + 1 > manga.chaptersTotal!)
+        manga.chaptersRead + 1 > manga.chaptersTotal!) {
       return;
+    }
 
     final newManga = await GetIt.I
         .get<DatabaseService>()

lib/src/ui/bloc/details_bloc.dart

@@ -115,10 +115,8 @@ class DetailsBloc extends Bloc<DetailsEvent, DetailsState> {
     switch (event.trackingType) {
       case TrackingMediumType.anime:
         bloc.add(AnimeRemovedEvent(event.id));
-        break;
       case TrackingMediumType.manga:
         bloc.add(MangaRemovedEvent(event.id));
-        break;
     }
 
     // Navigate back

lib/src/ui/bloc/settings_bloc.dart

@@ -250,7 +250,7 @@ class SettingsBloc extends Bloc<SettingsEvent, SettingsState> {
     Emitter<SettingsState> emit,
   ) async {
     final al = GetIt.I.get<AnimeListBloc>();
-    final exportArchive = archive.GZipDecoder().decodeBytes(
+    final exportArchive = const archive.GZipDecoder().decodeBytes(
       await File(event.path).readAsBytes(),
     );
     final json = jsonDecode(utf8.decode(exportArchive)) as Map<String, dynamic>;