Hotfix for version 0.15

We identified and fixed some serious crashes and problems within hours of the release.

Happy holidays from the whole team!

• Replaced old performance graph by new imgui-based performance graph (in scenario mode)
  
• Audio: Changed loading type of water assets for Italy to improve performance
  
• scriptAI: Improved user interface and fixed performance problems
  

• Fixed crashes when running 32 Bit (x86) version
  
• Fixed license plate always defaulting back to old text generation
  
• Fixed old Italian plate breaking text when trying to parse something else than valid plate (Eg: nicknames with numbers)
  
• Fixed missing bumpers for Autobello 110B version
  
• Fixed tailgate grill normals issue
  
• Fixed hydros deforming other parts of the car when their movement is nearby the natural frequency of the other parts. This happened at low FPS and inside a certain movement speed zone
  
• Fixed wheel force feedback being disabled when scriptAI is recording
  
• Fixed scriptAI not setting arcade gearbox mode when following a recording
  
• Fixed scriptAI not preserving initial direction when looping
  
• Fixed crash on static render manager when shapes don't have any LOD
  
• Fixed PointLight shadows
  
• Fixed crash when opening a replay before having loaded any map first
  
• Fixed watercooled engine thermals not cooled down by water
  
• Fixed wrong information showed for the Etk 854tx (A)
  
• Fixed scenario logic breaking after trying to reset a paused scenario