some changes

src/app/shared/agenda/approve-event/approve-event.page.html

@@ -106,7 +106,7 @@
               *ngFor="let attachment of loadedAttachments"
               (click)="viewDocument(attachment.DocId, attachment)">
               <ion-label>
-                <p class="attach-title-item d-block">{{attachment.Description}}</p>
+                <p class="attach-title-item d-block">{{attachment.Description || 'Sem título'}}</p>
                 <p><span class="span-left">{{attachment.Stakeholders}}</span><span class="span-right">{{ attachment.CreateDate | date: 'dd-MM-yyyy HH:mm' }}</span></p>
               </ion-label>
             </ion-item>

src/app/shared/agenda/view-event/view-event.page.html

@@ -121,7 +121,7 @@
           class="ion-no-margin ion-no-padding pa-0">
           <ion-label class="width-100 d-flex align-center">
             <p class="flex-grow-1 cursor-pointer" (click)="docIndex(i);LoadDocumentDetails()">
-              <span class="attach-title-item d-block">{{attach.SourceName}}</span>
+              <span class="attach-title-item d-block">{{attach.SourceName || 'Sem título'}}</span>
               <span class="span-left d-block">{{attach.Stakeholders}}</span>
             </p>