several improvements

src/app/shared/chat/group-messages/group-messages.page.html

@@ -16,7 +16,7 @@
           <ion-icon src="assets/icon/icons-user.svg"></ion-icon>
         </div>
         <div class="header-bottom-contacts">
-          <ion-label *ngFor="let member of members" >
+          <ion-label class="contacts-list" *ngFor="let member of members" >
             {{member.name}},
           </ion-label>
         </div>
@@ -25,7 +25,6 @@
   </ion-toolbar>
 </ion-header>
 
-
 <ion-content>
   <ion-refresher  name="refresher" slot="fixed" (ionRefresh)="doRefresh($event)">
     <ion-progress-bar type="indeterminate" *ngIf="showLoader"></ion-progress-bar>
@@ -38,6 +37,7 @@
       <ion-label> Esta conversa passou a grupo</ion-label><br />
       <ion-label>A conversa original mantêm-se como chat individual</ion-label>
     </div>
+
     <div class="container-width-100" *ngFor="let msg of messages; let last = last" #scrollMe>
       <div *ngIf="msg.t != 'r' && msg.t != 'ul' && msg.t != 'ru'" class='incoming-{{msg.u.username!=loggedUser.me.username}} max-width-45'>
         <div class="title">
@@ -49,15 +49,24 @@
           <div *ngIf="msg.attachments" class="message-attachments">
             <div *ngFor="let file of msg.attachments">
               <img *ngIf="file.image_url" src="{{file.image_url}}" alt="image">
-              <div *ngIf="file.thumb_url">
+              <div>
                 <div class="file d-flex">
-                  <ion-thumbnail slot="start">
+                  <ion-thumbnail *ngIf="file.thumb_url" slot="start">
                     <img src="{{file.thumb_url}}" alt="image">
                   </ion-thumbnail>
+                  <!-- <canvas id="pdf_canvas"></canvas> -->
                   <ion-label class="file-details">
                     <h3 (click)="viewDocument(file.title_link)" class="file-title cursor-pointer">{{file.title}}</h3>
                     <p *ngIf="file.text">{{file.text}}</p>
                   </ion-label>
+
+                  <!-- <pdf-viewer
+                    [src]="file.title_link"
+                    [render-text]="true"
+                    style="display: block;"
+                    original-size="true"
+                    show-all="true">
+                  </pdf-viewer> -->
                 </div>
               </div>
             </div>