Merge pull request #1141 from deltachat/add-missing-event

send DC_EVENT_CHAT_MODIFIED when adding members to a group

src/chat.rs

@@ -1663,6 +1663,7 @@ pub(crate) fn add_contact_to_chat_ex(
         chat_id,
         msg_id: MsgId::new(0),
     });
+    context.call_cb(Event::ChatModified(chat_id));
     Ok(true)
 }