pgAdmin4 lacks ability to specify NULL values in CSV export.

It appears that pgAdmin4 lacks the ability to export the results of a query containing NULL values as anything other than blank strings.  This makes it impossible to utilize those files to INSERT records into other tables, especially if the field type is a non text value (i.e. Int, Numeric, etc.).  pgAdmin3 as well as competing products allow nulls to be exported as NULL.  Am I missing where this feature is, or can it be added back to pgAdmin?

Thanks, 

rik.