include old avatar and expireTimer on groupUpdate

js/background.js

@@ -626,23 +626,25 @@
     window.doUpdateGroup = async (groupId, groupName, members, avatar) => {
       const ourKey = textsecure.storage.user.getNumber();
 
+      const convo = await ConversationController.getOrCreateAndWait(
+        groupId,
+        'group'
+      );
+
       const ev = {
         groupDetails: {
           id: groupId,
           name: groupName,
           members,
           active: true,
-          expireTimer: 0,
+          expireTimer: convo.get('expireTimer'),
-          avatar: '',
+          avatar,
           is_medium_group: false,
         },
         confirm: () => {},
       };
 
-      const convo = await ConversationController.getOrCreateAndWait(
+
-        groupId,
-        'group'
-      );
 
       const recipients = _.union(convo.get('members'), members);
 

ts/components/session/SessionGroupSettings.tsx

@@ -222,7 +222,7 @@ export class SessionGroupSettings extends React.Component<Props, any> {
     const leaveGroupString = isPublic
       ? window.i18n('leaveOpenGroup')
       : isKickedFromGroup
-      ? window.i18n('youGotKickedFromThisGroup')
+      ? window.i18n('youGotKickedFromGroup')
       : window.i18n('leaveClosedGroup');
 
     const disappearingMessagesOptions = timerOptions.map(option => {

ts/session/messages/outgoing/content/data/group/ClosedGroupUpdateMessage.ts

@@ -66,6 +66,8 @@ export abstract class ClosedGroupUpdateMessage extends ClosedGroupMessage {
       groupContext.admins = this.admins;
     }
 
+    groupContext.avatar = this.avatar;
+
     return groupContext;
   }
 }