fix scrolling

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

@@ -31,7 +31,7 @@
     </ion-refresher-content>
   </ion-refresher>
   <div class="messages" #scrollMe>
-    <div class="container-width-100" *ngFor="let msg of messages">
+    <div class="container-width-100" *ngFor="let msg of messages; let last = last">
       <div class='incoming-{{msg.u.username!=loggedUser.me.username}} max-width-45'>
         <div class="title">
           <ion-label>{{msg.u.name}}</ion-label>
@@ -39,6 +39,7 @@
         </div>
         <div>
           <ion-label>{{msg.msg}}</ion-label>
+          {{last ? scrollToBottom() : ''}}
         </div>
       </div>
     </div>