Summer update

Changes:

• Several existing walls/fences are now repaintable
  
• Resizeable decorations now have a different icon in the toy box
• The train field of view option now affects all of a train's cameras
• Improved behaviour when you swap between keyboard/gamepad on the options menu
• Fixed certain repaintable decorations appearing as black when being deleted
• Fixed an invisible face on the triple junction
• Fixed Passenger collisions sometimes being misaligned if they're placed on a decoration
• Fixed emergency sirens and hi-vis passengers not glowing as intended
• Fixed an issue with shadows on the Merry-Go-Round
• Fixed some Toy Box headers not resizing with the zoom option
• Fixed renamed save slots appearing twice with the new & old names until the menu was reopened
• Fixed an issue with the train field of view slider if the build field of view has never been changed