fix: no need of autojoin on init

sib-chat.js

@@ -180,8 +180,8 @@ export const SibChat = {
       'auto_reconnect': true,
       'auto_register_muc_nickname': true,
       // Quick fix : auto join yourself & target of current route
-      'auto_join_private_chats': [this.jid.toLowerCase()],
-      'auto_join_rooms': [this.jid.toLowerCase()],
+      'auto_join_private_chats': [],
+      'auto_join_rooms': [],
       'bosh_service_url': this.element.dataset.boshServiceUrl,
       'clear_messages_on_reconnection': true,
       'i18n': 'en',