Case Ih Steiger/Quadtrac

Changelog:
– Added attachable Fast Tanks (6000l) modeled by SpaceCossaX
These only can be attached properly with Quadtrac 30? and Quadtrac 36? wheel configurations while also having the fast tank attachment front configuration active.
– Added 3D vents to interior dash (also modeled by SpaceCossaX)
– Added dynamic dust cover for the steering column
– Fixed mod conflict with the 3D tracks and the realDirt mod
– Changed the default vehicle camera FOV to 70