AI parking by airline is broken in SU4

Forum copy of issue I have sent in to Zendesk.

In 1.15.10 I noticed that parking codes on parking positions in third party airports were suddenly actually working properly! The KSDF UPS Worldport was full of UPS liveries, and T1 at O’Hare was full of United Airlines planes. This seems to once again not be working in 1.16.2 as the single-airline-exclusive terminals are stocked with totally random airlines.

Not a lot of scenery (and none of the Premium or World Update airports) properly uses the parking codes, and also a lot of liveries available for download don’t populate them (I’ve edited all the liveries in my community folder). With FSDreamTeam KORD and KSDF, they were very briefly working properly in 1.15.10 and I sure would like to have that functionality back as it greatly improves realism.