MemoryLeakFix

Aims to solve bugs related to objects not being cleared when they should. Currently fixes:

• Enemy corpse disappearing effects not being re-used or destroyed
  • Might be a significant contributor to degrading performance when playing for a long time?
• Shooter bug
• A few sound players not being cleared
• Several objects not being cleaned up when an enemy died or the level ended
• Inefficient IRF rendering
• WindVolumeCamera error spam due to too many nearby enemies and objects
• Disinfection station causing FPS drops
• Terminal level build callbacks not being removed on level cleanup
• Bad packets after swapping melees