fix attachment not showing up

src/app/pages/gabinete-digital/viewer-attachment/viewer-attachment.page.html

@@ -2,13 +2,14 @@
 
   <div class="overflow-x-auto d-flex pa-10 attachment-list" style="background-color: #d9d9d9;"  *ngIf="showAttachmentList">
 
+    {{ taskViewerAttachment | json }}
     <div *ngFor="let attachment of taskViewerAttachment; let i = index"
       class="ion-no-margin ion-no-padding cursor-pointer attachment-list" class="pa-10 mx-10 card-text"
       >
       <div class="attachment"  (touchstart)="startHold($event, attachment, i)" (touchend)="endHold()" (click)="clickDocument(attachment, i )">
 
-        <div *ngIf="attachment.Assunto" class="attach-title-item tex-left">
-          {{ attachment.Assunto }}
+        <div class="attach-title-item tex-left">
+          {{ attachment.Assunto || "Sem assunto" }}
           <br>
           {{ attachment.Sender }}
           <br>