Code fixes

• Fixed a crash that occurred when a FOB was captured or destroyed by an enemy.
  
• Fixed a crash that happened when attempting to launch a multiplayer campaign initiated in a previous version.
  
• Resolved a black screen issue that appeared when trying to start a multiplayer campaign from a previous version.
  
• Fixed a bug in Army General that occurred when loading an autosave created before a battle.
  
• Adjusted the napalm effect used by certain units to reduce the excessively large area of impact.