Fix: Fixed an issue where a WSL prompt would sometimes display on startup (#16462)

Author: yaira2

src/Files.App/Utils/Global/WSLDistroManager.cs

@@ -29,10 +29,10 @@ public static async Task UpdateDrivesAsync()
 			try
 			{
 				// Check if WSL is installed
-				const string WslRegistryPath = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Lxss";
+				const string WslRegistryPath = @"SOFTWARE\Microsoft\Windows\CurrentVersion\Lxss\MSI";
 				using (var key = Microsoft.Win32.Registry.LocalMachine.OpenSubKey(WslRegistryPath))
 				{
-					if (key != null && key.GetSubKeyNames().Length == 0)
+					if (key is null || key.GetValue("InstallLocation") is null)
 						return;
 				}