fix(dispels): add Curse to Witch Doctor dispel set (Hexbreak 806240)

WITCHDOCTOR could only flag Disease/Poison (Cleansing Idol). Hexbreak
(806240) is a single-target Curse remover, so add Curse=true. highlight.lua
reads this via GetCoaDispels, so the dispellable-debuff highlight picks it up.

ShadowedUF_Options/libs/AceGUI-3.0/widgets/AceGUIWidget-Keybinding.lua

@@ -199,7 +199,7 @@ local function Constructor()
 	button:SetScript("OnKeyDown", Keybinding_OnKeyDown)
 	button:SetScript("OnMouseDown", Keybinding_OnMouseDown)
 	button:SetScript("OnMouseWheel", Keybinding_OnMouseWheel)
-	button:SetScript("OnGamePadButtonDown", Keybinding_OnKeyDown)
+	pcall(button.SetScript, button, "OnGamePadButtonDown", Keybinding_OnKeyDown)
 	button:SetPoint("BOTTOMLEFT")
 	button:SetPoint("BOTTOMRIGHT")
 	button:SetHeight(24)

ShadowedUnitFrames/modules/auras.lua

@@ -21,7 +21,7 @@ local COA_CLASS_DISPELS = {
 	["WITCHHUNTER"]  = { Curse = true },
 	["SUNCLERIC"]    = { Magic = true, Disease = true, Poison = true },                     -- Sanctify
 	["WILDWALKER"]   = { Disease = true, Poison = true },                                   -- Primalist (Soothing Touch — DBC says Magic, gameplay is Poison/Disease)
-	["WITCHDOCTOR"]  = { Disease = true, Poison = true },                                   -- Cleansing Idol (AoE)
+	["WITCHDOCTOR"]  = { Curse = true, Disease = true, Poison = true },                     -- Hexbreak (806240, single-target Curse) + Cleansing Idol (504840, AoE Disease/Poison)
 	["TINKER"]       = { Disease = true, Poison = true },                                   -- Nanobot Cleanser
 }
 local function getCoaDispels()