FIX TRUCK ZIL 4421 V1.0 MOD

FIX FOR TRUCK ZIL 4421 V1.0 MOD

Fix for truck Zil 4421 v1.0 for Euro Truck Simulator 2 (v1.31.x)
Fix for truck Zil 4421 on the game version 1.31.x
Put above the main mode