TF-2078 Hide mailbox loading bar when change state email

(cherry picked from commit 50fa29b2cd403dd3618cf6723e1a70e00c1e7a20)

lib/features/mailbox/domain/state/get_all_mailboxes_state.dart

@@ -2,6 +2,8 @@ import 'package:core/core.dart';
 import 'package:jmap_dart_client/jmap/core/state.dart';
 import 'package:model/mailbox/presentation_mailbox.dart';
 
+class GetAllMailboxLoading extends LoadingState {}
+
 class GetAllMailboxSuccess extends UIState {
   final List<PresentationMailbox> mailboxList;
   final State? currentMailboxState;

lib/features/mailbox/domain/state/search_mailbox_state.dart

@@ -2,7 +2,7 @@ import 'package:core/presentation/state/failure.dart';
 import 'package:core/presentation/state/success.dart';
 import 'package:model/mailbox/presentation_mailbox.dart';
 
-class LoadingSearchMailbox extends UIState {}
+class LoadingSearchMailbox extends LoadingState {}
 
 class SearchMailboxSuccess extends UIState {
 

lib/features/mailbox/domain/usecases/get_all_mailbox_interactor.dart

@@ -15,7 +15,7 @@ class GetAllMailboxInteractor {
 
   Stream<Either<Failure, Success>> execute(Session session, AccountId accountId, {Properties? properties}) async* {
     try {
-      yield Right<Failure, Success>(LoadingState());
+      yield Right<Failure, Success>(GetAllMailboxLoading());
 
       yield* _mailboxRepository
         .getAllMailbox(