[pgAdmin4][Patch]: Fix regression issues - Mailing list pgadmin-hackers

Hi,

PFA patches,

1) 

To fix the issue where base types are displaying in create/edit dialog, also corrected the condition to show hidden system types.

RM#2692

This issue is regression of commit: Link

2) 

To fix the issue in User mapping module where users were not listed.

RM#2693