This has been fixed in 2020.4 and will appear in 2024.1 LTS. No plans to back port it as fr as I am aware.
CargoTowing:WS3.0 Compatibility
I would like the opportunity to test any fixes to the code before marking this as solved. When was code changed or fixed? I may need to pull the appropriate code base and rebuild to test.
MissionGenerator:Minor GUI edit
MissionGenerator:Array init bugfix
MissionGenerator:More model placement corrections
MissionGenerator:Model placement corrections
MissionGenerator:Use different model placement logic