Update 1.48b: Improvements et hotfix

- Addition: Graphics option - Screen Space Fog Scattering
- Addition: Gameplay option - Mouse axis influenced by weapon's weight
- Addition: Noise of firearms with suppressors may not be heard by the enemy depending on the environment
- Improvement: Operators mimic the squad leader's stance even when they're not moving
- Improvement: Weapon sway is slightly adjusted based on its weight
- Improvement: Noise of bullet impacts is less noticeable to the enemy
- Improvement: The characters who have died will disappear more quickly to prevent lag during a game in "War" or "Siege" mode
- Improvement: Some modifications to the holding poses
- Improvement: Color on the chest of "frog shirt" depending on the chosen camouflage
- Improvement: Some interface buttons have a new icon
- Fix: Operator couldn't switch weapons and retrieve the weapon from the holster under certain conditions
- Fix: Missing SFX loop shot with suppressor of "Volt C7V3"
- Fix: Collision error with the benches at the airport
- Fix: Collision profil of many fences could block vision of AI
- Fix: Some errors of speed and stance after use sprint or hold breath
- Fix: Many interface menus were not properly aligned with the edges of the screen