[Demo Patch Notes] Update 0.3.43 DEMO

Small update adding adaptive background music (with not final tracks) and fixing few bugs.

[h2]✅ Added:[/h2]
[Audio] Added dynamic music changing in Boss Fights, Miniboss Fights, Challenge Room and Shop Room.

[h2]🔄 Changed:[/h2]
[Crosshair] Crosshair is now always enabled by default.

[h2]⚙️ Fixed:[/h2]
[Magic Weapons] Fixed a bug where sometimes cooldown of Magic Weapon was used, but the weapon didn't attack.
[Controllers] Fixed a bug where sometimes crosshair was disappearing when playing with a controller.
[Perks] Fixed description of few Perks.