fixed prisoner needs not being reset while they are at the traffic terminal

implemented some code to completely unload stacks from trucks at cargo station

fixed script error @ line 484 in CargoHelipad

fixed script error @ line 1186 in CargoHelipad

fixed intake chinook keeps pushing prisoners through the chinook without unloading them

fixed trees not being removed automatically when placing cargo stations/terminal/helipads since the new game update.

fixed bug where truck tries to close not existing gate behind it when starting to process on a road where the first gate is after a cargo station, not before.

- When the Traffic Terminal is changed from AUTO to SUSPEND, arriving Deliveries / Intake Trucks and Chinooks now get deleted and spawn their cargo back to the terminal
- fixed bug where cargo trucks/chinooks would not zap Boxes back to terminal, only Stack would be teleported
- fixed missing code to reset tooltips of cargo stopsigns/helipads after cargo has been delivered

fixed trucks not finding vehicle in front/behind in specific cases
swapped tooltips on Engine Block and Truck Skin

rewritten code for gantry crane to prevent getting stuck