Fix: Fixed issue where %temp% and %tmp% were not replaced with th…

…e correct path (#12743)

src/Files.App/Constants.cs

@@ -229,7 +229,7 @@ public static class UserEnvironmentPaths
 
 			public const string MyComputerPath = @"Shell:MyComputerFolder";
 
-			public static readonly string TempPath = Windows.Storage.ApplicationData.Current.LocalSettings.Values.Get("TEMP", "");
+			public static readonly string TempPath = Environment.GetEnvironmentVariable("TEMP") ?? "";
 
 			public static readonly string HomePath = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile);