Update 1.50f: Hotfix

- Addition: "Night vision HUD" option in gameplay options
- Addition: New Firearm Preset - V4 Versatile II
- Addition: New Firearm Preset - V4 Old School
- Improvement: Several weapon texture adjustments
- Fix: Operator could appear behind the weapon when the player applied camouflage to weapons simultaneously
- Fix: Squad formation error when the player uses the 'Follow Player' button in the 'Battle Plan' mode
- Fix: Fingers placement on one of the handguards of the 'V4 Classic' assault rifle was not correctly positioned
- Fix: Iron sights of the "N249 SAW" machine gun were not properly aligned
- Fix: Sights and scopes were not properly aligned on the rail of the "N249 SAW" machine gun
- Fix: Reflex sight have wrong reticle rotation
- Fix: Some animations errors