Fix Liminal Coil counting Marks as Curses (#2365)

* Filter CurseOnEnemy multiplier to only contain curses

* Add test

---------

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

Author: vaisest

spec/System/TestItemMods_spec.lua

@@ -618,6 +618,12 @@ describe("TetsItemMods", function()
 		-- more curse more dmg
 		assert.are_not.equals(afterEleWeaknessPhys, afterEnfeeblePhys)
 		assert.are_not.equals(afterEleWeaknessChaos, afterEnfeebleChaos)
+
+		build.skillsTab:PasteSocketGroup("Freezing Mark 20/0  1")
+		runCallback("OnFrame")
+		-- marks are not curses and should not grant more damage
+		assert.are.equals(afterEnfeeblePhys, round(build.calcsTab.mainOutput.PhysicalStoredCombinedAvg))
+		assert.are.equals(afterEnfeebleChaos, round(build.calcsTab.mainOutput.ChaosStoredCombinedAvg))
 	end)
 
 	it("twisted empyrean", function()

src/Modules/CalcPerform.lua

@@ -3089,7 +3089,13 @@ function calcs.perform(env, skipEHP)
 	for _, modList in pairs(debuffs) do
 		enemyDB:AddList(modList)
 	end
-	modDB.multipliers["CurseOnEnemy"] = #curseSlots
+	local cursesInCurseSlots = {}
+	for _, slot in ipairs(curseSlots) do
+		if not slot.isMark then
+			table.insert(cursesInCurseSlots, slot)
+		end
+	end
+	modDB.multipliers["CurseOnEnemy"] = #cursesInCurseSlots
 	for _, slot in ipairs(curseSlots) do
 		enemyDB.conditions["Cursed"] = true
 		if slot.isMark then