First aid tent Cleanse effect to be granted by Light skill

[dredknight]

Cleansing debufs level 0/0/1/3 based on War Machine mastery to debufs level 0/1/2/3 based on Light Magic mastery

https://github.com/Might-Magic-Heroes-5-5/MMH55/blob/master/assembly/patches/MMH55%20production%20patches/FirstAidTent.yml