Include Taintless lib to fix Blizzard bugs

Libs/Libs.xml

@@ -4,6 +4,7 @@
 
 	<Script file="LibStub\LibStub.lua"/>
 
+	<Include file='Taintless\Taintless.xml'/>
 	<Include file="CallbackHandler-1.0\CallbackHandler-1.0.xml"/>
 	<Include file="AceAddon-3.0\AceAddon-3.0.xml" />
 	<Include file="AceGUI-3.0\AceGUI-3.0.xml" />

Libs/Taintless/Taintless.xml

+<Ui><Script><![CDATA[--[[
+
+TaintLess [20-10-19]
+https://www.townlong-yak.com/addons/taintless
+
+All rights reserved.
+
+Permission is hereby granted to distribute unmodified copies of this file.
+]]
+
+local function purgeKey(t, k)
+	t[k] = nil
+	local c = 42
+	repeat
+		if t[c] == nil then
+			t[c] = nil
+		end
+		c = c + 1
+	until issecurevariable(t, k)
+end
+
+-- https://www.townlong-yak.com/bugs/Mx7CWN-RefreshOverread
+if (tonumber(UIDD_REFRESH_OVERREAD_PATCH_VERSION) or 0) < 3 then
+	UIDD_REFRESH_OVERREAD_PATCH_VERSION = 3
+	hooksecurefunc("UIDropDownMenu_InitializeHelper", function()
+		if UIDD_REFRESH_OVERREAD_PATCH_VERSION ~= 3 then
+			return
+		end
+		for i=1, UIDROPDOWNMENU_MAXLEVELS do
+			for j=1+_G["DropDownList" .. i].numButtons, UIDROPDOWNMENU_MAXBUTTONS do
+				local b, _ = _G["DropDownList" .. i .. "Button" .. j]
+				_ = issecurevariable(b, "checked")      or purgeKey(b, "checked")
+				_ = issecurevariable(b, "notCheckable") or purgeKey(b, "notCheckable")
+			end
+		end
+	end)
+end
+
+-- https://www.townlong-yak.com/bugs/Kjq4hm-DisplayModeTaint
+if (tonumber(UIDROPDOWNMENU_OPEN_PATCH_VERSION) or 0) < 1 then
+	UIDROPDOWNMENU_OPEN_PATCH_VERSION = 1
+	hooksecurefunc("UIDropDownMenu_InitializeHelper", function(frame)
+		if UIDROPDOWNMENU_OPEN_PATCH_VERSION ~= 1 then
+			return
+		end
+		if UIDROPDOWNMENU_OPEN_MENU and UIDROPDOWNMENU_OPEN_MENU ~= frame
+		   and not issecurevariable(UIDROPDOWNMENU_OPEN_MENU, "displayMode") then
+				purgeKey(_G, "UIDROPDOWNMENU_OPEN_MENU")
+		end
+	end)
+end
+
+-- https://www.townlong-yak.com/bugs/gXwH4P-IOFrameSelection
+if (tonumber(IOFRAME_SELECTION_PATCH_VERSION) or 0) < 1 then
+	IOFRAME_SELECTION_PATCH_VERSION = 1
+	InterfaceOptionsFrame:HookScript("OnHide", function()
+		if IOFRAME_SELECTION_PATCH_VERSION == 1 then
+			InterfaceOptionsFrameCategories.selection = nil
+		end
+	end)
+end
+
+]]></Script></Ui>
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