Hotfix 0.9.3.1d

[h3]Improvements:[/h3]

• Improved border endboss arena wall colliders to prevent player getting stuck when moving near to walls and opening doorways
  
• Improved collision detection in endboss arena to prevent player and loot getting stuck in the arena wall
  
• Added system that moves player and loot towards the arena center if it got stuck on the wall collider