Update 3.9.6

[p]Burn is now reduced by 50% instead of 33% per activation[/p]
[p]Nerfed Zombie from spreading 50/100/150% to spreading 33/66/100% of the remaining Poison[/p]
[p]Fixed Nun to not target dead allies anymore[/p]
[p]Added filter to deck menu to make it easier to find heroes with similar traits and mechanics[/p]
[p]Fixed virtual keyboard for Steam Deck[/p]
[p]Various small fixes[/p][p][/p]