ATS - Freightliner Cascadia 2018 Truck V1.15 Fix (1.37.x)

Version 1.15 Changelog:
Added shadows to interior
Added shadows to steering wheel
Reworked headlight textures thanks to LeafeonGold
Added openable windows
Adjustments for 1.37

Version 1.14:
Separated headlights from the chassis
Added realistic headlight pattern by hastantyo as an option
Added xenon headlights as an option
Added shadows to the wipers in interior view

Version 1.13:
Updated dash computer to show odometer with current speed
Clean up of ui template files to avoid conflicts
Updated truck reflections

Version 1.12:
Updated transmission files
Updated X15 torque curves
Updated X15 sound thanks to kriechbaum
Fixed fakeshadow
Fixed old icons error
Fixed missing icon in quick jobs
Fixed truck being categorised wrong in quick jobs

Version 1.11:
Moved defs to freightliner.cascadia.2018
Moved truck to mod dealer
Also update to the SiSL compatibility patch.

Version 1.10:
Update for open beta 1.35
Fix for patch 1.35

Version 1.9:
Improved glass def files
Adjusted glass locators

Removed incorrect engined
Added correct engine
Added corresponding gearboxes
Cleanup of textures
Cleanup of models
Corrected the cabins to be recognised as cabines
Added additional Flow Below mudguards
Added better icons for parts
Separated spoilers from cabs and added them as accessories
various bug fixes
Changed DD engine sound to Mercedes

Authors: Felipe Conbar, Frank Brasil, Lincoln by Viciados, Update and fix galimim