Spell damage bugged on shadow priest

[Nirot-2460]

Spell Damage + Auchenai + Healing spells

The issue is known, but whether it’s intended is unclear. When the heist was released, one of the bug fixes was: Fixed an issue where damage would not be correctly doubled when playing a healing effect with Crystalsmith Kangor and Auchenai Soulpriest on the board. That happened because damage (or Healing) modifiers were being applied after Auchenai conversion, meaning Kangor wouldn’t see the value as healing. This was evidently corrected by moving modifiers before Auchenai conversion. But si…