Pass Slip and Leave approval/rejection push notifications

lib/models/notification_item.dart

@@ -7,6 +7,8 @@ class NotificationItem {
     required this.actorId,
     required this.ticketId,
     required this.taskId,
+    this.leaveId,
+    this.passSlipId,
     required this.itServiceRequestId,
     required this.messageId,
     required this.type,
@@ -19,6 +21,8 @@ class NotificationItem {
   final String? actorId;
   final String? ticketId;
   final String? taskId;
+  final String? leaveId;
+  final String? passSlipId;
   final String? itServiceRequestId;
   final int? messageId;
   final String type;
@@ -34,6 +38,8 @@ class NotificationItem {
       actorId: map['actor_id'] as String?,
       ticketId: map['ticket_id'] as String?,
       taskId: map['task_id'] as String?,
+      leaveId: map['leave_id'] as String?,
+      passSlipId: map['pass_slip_id'] as String?,
       itServiceRequestId: map['it_service_request_id'] as String?,
       messageId: map['message_id'] as int?,
       type: map['type'] as String? ?? 'mention',