Adjust UI for Splitted Setting Window

Author: onesounds

Flow.Launcher/SettingPages/ViewModels/SettingsPaneThemeViewModel.cs

@@ -3,6 +3,7 @@
 using System.Globalization;
 using System.IO;
 using System.Linq;
+using System.Security.Policy;
 using System.Windows;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
@@ -181,12 +182,23 @@ public List<AnimationSpeed> AnimationSpeeds
             return speeds;
         }
     }
-
     public bool UseSound
     {
         get => Settings.UseSound;
         set => Settings.UseSound = value;
     }
+    public bool CheckMediaPlayer
+    {
+        get
+        {
+            if (Settings.WMPInstalled)
+            {
+                return true;
+            }
+            else { return false; }
+        }
+        set { }
+    }
 
     public double SoundEffectVolume
     {