Update 1.53i: Improvements and Hotfix

- Addition: New aiming reticles in smaller sizes
- Improvement: Adjustment of arm movement while aiming in first person
- Fix: Texture resolution error in the user-interface ranks and rewards, depending on the graphics settings
- Fix: Texture resolution error in the user-interface keyboard and mouse, depending on the graphics settings
- Fix: Alignment of the night-vision/thermal sight reticle with a magnifying optic
- Fix: Display error for procedural campaign rewards in the main menu