fix: guard legacy InterfaceOptions globals in UnitFrames

The CoA client's reworked options panels may omit legacy InterfaceOptions*
status/combat/display widgets; an unguarded access aborted UnitFrames
initialisation on login. Guard every access.

ElvUI/Modules/UnitFrames/UnitFrames.lua

@@ -1429,34 +1429,55 @@ function UF:Initialize()
 		hooksecurefunc(CompactUnitMixin, "SetUnit", UF.DisableBlizzard_SetUnit)
 	end
 
+	-- The CoA client's reworked options panels may omit these legacy
+	-- InterfaceOptions* widgets; guard every access so a missing global
+	-- cannot abort UnitFrames initialisation.
 	if E.private.unitframe.disabledBlizzardFrames.arena and E.private.unitframe.disabledBlizzardFrames.focus and E.private.unitframe.disabledBlizzardFrames.party then
-		InterfaceOptionsFrameCategoriesButton10:SetScale(0.0001)
+		if InterfaceOptionsFrameCategoriesButton10 then
+			InterfaceOptionsFrameCategoriesButton10:SetScale(0.0001)
+		end
 	end
 
 	if E.private.unitframe.disabledBlizzardFrames.player then
-		InterfaceOptionsStatusTextPanelPlayer:SetScale(0.0001)
+		if InterfaceOptionsStatusTextPanelPlayer then
-		InterfaceOptionsStatusTextPanelPlayer:SetAlpha(0)
+			InterfaceOptionsStatusTextPanelPlayer:SetScale(0.0001)
-		InterfaceOptionsStatusTextPanelPet:SetScale(0.0001)
+			InterfaceOptionsStatusTextPanelPlayer:SetAlpha(0)
-		InterfaceOptionsStatusTextPanelPet:SetAlpha(0)
+		end
+		if InterfaceOptionsStatusTextPanelPet then
+			InterfaceOptionsStatusTextPanelPet:SetScale(0.0001)
+			InterfaceOptionsStatusTextPanelPet:SetAlpha(0)
+		end
 	end
 
 	if E.private.unitframe.disabledBlizzardFrames.target then
-		InterfaceOptionsStatusTextPanelTarget:SetScale(0.0001)
+		if InterfaceOptionsStatusTextPanelTarget then
-		InterfaceOptionsStatusTextPanelTarget:SetAlpha(0)
+			InterfaceOptionsStatusTextPanelTarget:SetScale(0.0001)
-		InterfaceOptionsCombatPanelEnemyCastBarsOnPortrait:SetAlpha(0)
+			InterfaceOptionsStatusTextPanelTarget:SetAlpha(0)
-		InterfaceOptionsCombatPanelEnemyCastBarsOnPortrait:EnableMouse(false)
+		end
-		InterfaceOptionsCombatPanelEnemyCastBarsOnNameplates:ClearAllPoints()
+		if InterfaceOptionsCombatPanelEnemyCastBarsOnPortrait and InterfaceOptionsCombatPanelEnemyCastBarsOnNameplates then
-		InterfaceOptionsCombatPanelEnemyCastBarsOnNameplates:Point(InterfaceOptionsCombatPanelEnemyCastBarsOnPortrait:GetPoint())
+			InterfaceOptionsCombatPanelEnemyCastBarsOnPortrait:SetAlpha(0)
-		InterfaceOptionsCombatPanelTargetOfTarget:SetScale(0.0001)
+			InterfaceOptionsCombatPanelEnemyCastBarsOnPortrait:EnableMouse(false)
-		InterfaceOptionsCombatPanelTargetOfTarget:SetAlpha(0)
+			InterfaceOptionsCombatPanelEnemyCastBarsOnNameplates:ClearAllPoints()
-		InterfaceOptionsDisplayPanelShowAggroPercentage:SetScale(0.0001)
+			InterfaceOptionsCombatPanelEnemyCastBarsOnNameplates:Point(InterfaceOptionsCombatPanelEnemyCastBarsOnPortrait:GetPoint())
-		InterfaceOptionsDisplayPanelShowAggroPercentage:SetAlpha(0)
+		end
+		if InterfaceOptionsCombatPanelTargetOfTarget then
+			InterfaceOptionsCombatPanelTargetOfTarget:SetScale(0.0001)
+			InterfaceOptionsCombatPanelTargetOfTarget:SetAlpha(0)
+		end
+		if InterfaceOptionsDisplayPanelShowAggroPercentage then
+			InterfaceOptionsDisplayPanelShowAggroPercentage:SetScale(0.0001)
+			InterfaceOptionsDisplayPanelShowAggroPercentage:SetAlpha(0)
+		end
 	end
 
 	if E.private.unitframe.disabledBlizzardFrames.party then
-		InterfaceOptionsStatusTextPanelParty:SetScale(0.0001)
+		if InterfaceOptionsStatusTextPanelParty then
-		InterfaceOptionsStatusTextPanelParty:SetAlpha(0)
+			InterfaceOptionsStatusTextPanelParty:SetScale(0.0001)
-		InterfaceOptionsFrameCategoriesButton11:SetScale(0.0001)
+			InterfaceOptionsStatusTextPanelParty:SetAlpha(0)
+		end
+		if InterfaceOptionsFrameCategoriesButton11 then
+			InterfaceOptionsFrameCategoriesButton11:SetScale(0.0001)
+		end
 	end
 
 	if E.private.unitframe.disabledBlizzardFrames.arena then