Implement the support to map table and column names while editing the connection, need to consider the following things.
1. If both (Old and New) schemas are the same, allow the user to reconnect with the new connection without resetting the dashboard and widget settings.
2. If both schemas are different, need to notify the same with the user, need to handle further in the following two ways.
Reset all the dashboard and widget settings after getting confirmation from the user.
Ask the user to map the column name and data type, to proceed further without resetting the dashboard and widget settings.