Fix Block chance implicit on shield being scaled by inc block chance (#9244)

Additional flat block chance on shields isn't meant to be scaled by the inv block chance mod

Co-authored-by: LocalIdentity <localidentity2@gmail.com>

Author: LocalIdentity

src/Classes/Item.lua

@@ -1553,7 +1553,7 @@ function ItemClass:BuildModListForSlotNum(baseList, slotNum)
 		end
 
 		if self.base.armour.BlockChance then
-			armourData.BlockChance = m_floor((self.base.armour.BlockChance + calcLocal(modList, "BlockChance", "BASE", 0)) * (1 + calcLocal(modList, "BlockChance", "INC", 0) / 100))
+			armourData.BlockChance = m_floor((self.base.armour.BlockChance * (1 + calcLocal(modList, "BlockChance", "INC", 0) / 100) + calcLocal(modList, "BlockChance", "BASE", 0)))
 		end
 		if self.base.armour.MovementPenalty then
 			modList:NewMod("MovementSpeed", "INC", -self.base.armour.MovementPenalty, self.modSource, { type = "Condition", var = "IgnoreMovementPenalties", neg = true })