How to close re connect a realtime subscription in an instance.

Issue: Null error occurs when trying to set up a new realtime subscription after the previous one is closed. Additionally, looking for a proper approach to reconnect realtime when an user loses internet connection without app restart. Solution: When closing the realtime subscription, ensure that any necessary cleanup or resetting of variables is done to avoid null errors when setting up a new subscription. To reconnect realtime after an internet connection loss, implement a retry mechanism that automatically attempts to reconnect periodically until a successful connection is established.