Citrix Gateway and StoreFront Error After Upgrade "There are no apps or desktops available to you at this time."

Customer had upgraded ADC firmware to 13.0.71.44 from 13.0.58.30 during a change window. Post-upgrade when they authenticate and login to their Citrix Gateway URL and land on StoreFront, they get a blank screen with no applications and desktops being displayed. The issue is seen on all browsers...