Downed enemies aren't captured automatically when added to a vehicle caravan on reformation

**Describe the bug**
In vanilla RW such enemies get imprisoned.

**To Reproduce**
* Incapacitate an enemy humanoid on an incident map.
* Add it to a vehicle caravan using the caravan dialog. No other ways were tested.

**Screenshots**
None.

**Additional context**
Several times I would take prisoners with me, only to unload them on a new map and have them attack me again forgetting about this.