Revert "Regression (dotnet#26039)" (dotnet#26685)

This reverts commit 80c0d7d.

src/Essentials/src/FileSystem/FileSystem.uwp.cs

@@ -36,7 +36,7 @@ partial class FileSystemImplementation : IFileSystem
 			}
 			else
 			{
-				string path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), AppSpecificPath, "Data");
+				string path = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), AppSpecificPath, "Data");
 
 				if (!File.Exists(path))
 				{