0.9.86.4b Fixed issues related to auto fire

• Optimized ammo rack hit detection logic, making it easier to hit the Calliope's ammo rack • Fixed an issue where some secondary weapons could not be switched to auto fire • Fixed an issue where non-interactable turrets did not display the black overlay • Fixed a bug where the firing arc of the ZiS-30 changed based on placed turrets • Panjandrum no longer auto fire by default