fix: reg, verify, loaders, grey screen when like

lib/features/diary/presentation/bloc/diary_cubit.dart

@@ -243,6 +243,7 @@ class DiaryCubit extends Cubit<DiaryState> {
     required int quantity,
     int? productNutritionalValueId,
   }) async {
+    emit((state as DiaryStateLoaded).copyWith(isLoadingAddingProductInMeal: true));
     await diaryRepository.addPortionToMeal(
       diaryId: diaryId,
       mealId: mealId,

lib/features/diary/presentation/bloc/diary_state.dart

@@ -29,6 +29,7 @@ abstract class DiaryState with _$DiaryState {
     @Default(false) bool isDiaryCommented,
     @Default(false) bool isWakeUpAndRetireEnabled,
     @Default(false) bool isMoodEnabled,
+    @Default(false) bool isLoadingAddingProductInMeal,
   }) = DiaryStateLoaded;
 
   const factory DiaryState.loadedTomorrowWithDiet({