Reefer load and indicator light fix 1.41

This changes the trailer type to reefer only and properly enables the reefer running light for the following loads using owned & standalone reefers:

Beverages

Butter

Cheese

Food

Frozen Food

Frozen Fruit

Frozen Vegetables

Fruits

Ice Cream

Meat

Milk

Nuts

Potatoes (still allows for hopper to use for farm bulk hauls)

Vegetables

Yogurt