Tow Truck can't tow Dumper

Thanks for reporting the bug. I will replicate it and test more vehicles. If you encounter more like that please let us know.

Bug report by Greens (forum topic #6886)

Issue #	1614
Issue	Tow truck can't tow dumper
Description	Player is unable to tow a dumper while having a tow mission aka job event active, on this vehicle.
Script area	Job Event
Priority	Low
Logged by	TheTrevorP
Assigned to	Mike
Status	New
Comments	Will be tested

Fixed next update (dump truck won't be selected).