MAZ 6422 (1981) 1.54 FIX

Changelog
Fixed bugs
Convert of the entire 3D model and animation for 1.54 and higher.
Instrument panel indication has been updated.
Aesthetically improved appearance of the truck and interior.
Replaced front headlights and their lighting.
Reworked physics of the truck for the new system.
Replaced shadow on the chassis and updated its collision.
Replaced shadow on the cabin and updated its collision.
Changed the registration of all truck upgrades.
Fixed the position of the front spoiler.
SEPARATELY: Two trailers on MAZ-9758, new and old versions.
Updated shadows on both trailers.
Found and fixed all errors of the previous version