ATS Sound Fixes Pack v19.6 ATS 1.35

CHANGELOG 19.6
1 Cummins N14 engine sound brought back for Kenworth W900 in AI traffic (redone). [ATS edition]
Finetuned interior suspension sounds.

CHANGELOG 19.5
1 new real engine sound for MAN TGX Euro 6 in AI traffic. [ETS2 edition]
Reworked Utilimaster step van engine sound for AI traffic. [ATS edition]

CHANGELOG 19.4
Added Cummins ISX15 engine sound to array for Kenworth W900 in AI traffic. [ATS edition]
1 new CAT 3406B + 1 CAT 3406E engine sound brought back for Kenworth W900 in AI traffic. [ATS edition]
3 new real engine sounds + horn sound for Skoda Octavia's in AI traffic. [ETS2 edition]
2 new horn sounds for Tesla Model S in AI traffic. [ATS edition]
1 real engine sound brought back for Ford Mustang (5th generation: 2005 - 2014) in AI traffic. [ATS edition]
2 new real engine sounds for Ford Mustang (5th generation: 2005 - 2014) in AI traffic. [ATS edition]
1 new real horn sound for Ford Mustang (5th generation: 2005 - 2014) in AI traffic. [ATS edition]
Brought back horn sound for Ford Crown Victoria in AI traffic. [ATS edition]
Applied real engine sounds for tractor in AI traffic. [ATS edition]
Compatibility update for 1.35.0.103