Remove config work manager in sending ios

Signed-off-by: dab246 <tdvu@linagora.com>
(cherry picked from commit 829a82c8649cad01fb9afc223259233533b767eb)

lib/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart

@@ -1917,9 +1917,7 @@ class MailboxDashBoardController extends ReloadableController {
   void addSendingEmailToSendingQueue(SendingEmail sendingEmail) async {
     log('MailboxDashBoardController::addSendingEmailToSendingQueue():sendingEmail: $sendingEmail');
     final work = OneTimeWorkRequest(
-      uniqueId: PlatformInfo.isAndroid
-        ? sendingEmail.sendingId
-        : WorkerType.sendingEmail.iOSUniqueId,
+      uniqueId: sendingEmail.sendingId,
       taskId: sendingEmail.sendingId,
       tag: WorkerType.sendingEmail.name,
       inputData: sendingEmail.toJson()

lib/features/offline_mode/config/work_manager_constants.dart

@@ -1,6 +1,5 @@
 
 class WorkManagerConstants {
-  static const String sendingEmailUniqueId = 'com.linagora.ios.teammail.sendingQueue';
   static const String workerTypeKey = 'worker_type';
   static const int delayTime = 2000;
 }

lib/features/offline_mode/work_manager/worker_type.dart

@@ -1,5 +1,4 @@
 
-import 'package:tmail_ui_user/features/offline_mode/config/work_manager_constants.dart';
 import 'package:tmail_ui_user/features/offline_mode/work_manager/sending_email_worker.dart';
 import 'package:tmail_ui_user/features/offline_mode/work_manager/worker.dart';
 
@@ -12,11 +11,4 @@ enum WorkerType {
         return SendingEmailWorker();
     }
   }
-
-  String get iOSUniqueId {
-    switch(this) {
-      case WorkerType.sendingEmail:
-        return WorkManagerConstants.sendingEmailUniqueId;
-    }
-  }
 }