Set disappearing check timer reliably - on all message saves

js/models/messages.js

@@ -1304,7 +1304,6 @@
           });
         }
 
-        Whisper.ExpiringMessagesListener.update();
         window.log.info('Set message expiration', {
           expiresAt,
           sentAt: this.get('sent_at'),
@@ -1313,6 +1312,9 @@
     },
   });
 
+  Whisper.Message.refreshExpirationTimer = () =>
+    Whisper.ExpiringMessagesListener.update();
+
   Whisper.MessageCollection = Backbone.Collection.extend({
     model: Whisper.Message,
     // Keeping this for legacy upgrade pre-migrate to SQLCipher