add avatar changed event support issue #550

resources/qml/delegates/MessageDelegate.qml

@@ -148,6 +148,14 @@ Item {
 
         }
 
+        DelegateChoice {
+            roleValue: MtxEvent.Avatar
+
+            NoticeMessage {
+                text: qsTr("%1 changed the room avatar").arg(model.data.userName)
+            }
+        }
+
         DelegateChoice {
             roleValue: MtxEvent.RoomCreate