do not send expire timer to member added on closed group

ts/session/group/index.ts

@@ -442,27 +442,27 @@ async function sendAddedMembers(
   });
 
   // if an expire timer is set, we have to send it to the joining members
-  let expirationTimerMessage: ExpirationTimerUpdateMessage | undefined;
-  if (expireTimer && expireTimer > 0) {
-    const expireUpdate = {
-      timestamp: Date.now(),
-      expireTimer,
-      groupId: groupId,
-    };
-
-    expirationTimerMessage = new ExpirationTimerUpdateMessage(expireUpdate);
-  }
+  // let expirationTimerMessage: ExpirationTimerUpdateMessage | undefined;
+  // if (expireTimer && expireTimer > 0) {
+  //   const expireUpdate = {
+  //     timestamp: Date.now(),
+  //     expireTimer,
+  //     groupId: groupId,
+  //   };
+
+  //   expirationTimerMessage = new ExpirationTimerUpdateMessage(expireUpdate);
+  // }
   const promises = addedMembers.map(async m => {
     await ConversationController.getInstance().getOrCreateAndWait(m, 'private');
     const memberPubKey = PubKey.cast(m);
     await getMessageQueue().sendToPubKey(memberPubKey, newClosedGroupUpdate);
 
-    if (expirationTimerMessage) {
-      await getMessageQueue().sendToPubKey(
-        memberPubKey,
-        expirationTimerMessage
-      );
-    }
+    // if (expirationTimerMessage) {
+    //   await getMessageQueue().sendToPubKey(
+    //     memberPubKey,
+    //     expirationTimerMessage
+    //   );
+    // }
   });
   await Promise.all(promises);
 }