TF-2311 Sync use variables in BaseController to avoid wasting memory

Signed-off-by: dab246 <tdvu@linagora.com>

Signed-off-by: dab246 <tdvu@linagora.com>
(cherry picked from commit 21ac80615f7bc9e832fd72cb8ae6875c967d3cea)

lib/features/mailbox/presentation/base_mailbox_view.dart

@@ -1,5 +1,3 @@
-import 'package:core/presentation/resources/image_paths.dart';
-import 'package:core/presentation/utils/responsive_utils.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:tmail_ui_user/features/base/mixin/app_loader_mixin.dart';
@@ -12,7 +10,4 @@ abstract class BaseMailboxView extends GetWidget<MailboxController>
         MailboxWidgetMixin {
 
   BaseMailboxView({Key? key}) : super(key: key);
-
-  final responsiveUtils = Get.find<ResponsiveUtils>();
-  final imagePaths = Get.find<ImagePaths>();
 }