replace accidentally removed codeblock for handling oneshot/permamirror

also fixes a bug with chartpreview sound resetting unintentionally

Themes/Til Death/BGAnimations/ScreenSelectMusic decorations/wifeTwirl.lua

@@ -23,7 +23,13 @@ local t =
 	OnCommand = function(self)
 		self:bouncebegin(0.2):xy(0, 0):diffusealpha(1)
 	end,
-	CurrentSongChanged = function()
+	CurrentSongChangedMessageCommand = function()
+		-- This will disable mirror when switching songs if OneShotMirror is enabled or if permamirror is flagged on the chart (it is enabled if so in screengameplayunderlay/default)
+		if playerConfig:get_data(pn_to_profile_slot(PLAYER_1)).OneShotMirror or profile:IsCurrentChartPermamirror() then
+			local modslevel = topscreen == "ScreenEditOptions" and "ModsLevel_Stage" or "ModsLevel_Preferred"
+			local playeroptions = GAMESTATE:GetPlayerState(PLAYER_1):GetPlayerOptions(modslevel)
+			playeroptions:Mirror(false)
+		end
 		if getTabIndex() ~= 0 then
 			boolthatgetssettotrueonsongchangebutonlyifonatabthatisntthisone = true
 		end