Revert show warning logic

Author: VictoriousRaptor

Flow.Launcher/SettingPages/ViewModels/SettingsPaneThemeViewModel.cs

@@ -3,7 +3,6 @@
 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;
@@ -187,17 +186,15 @@ public bool UseSound
         get => Settings.UseSound;
         set => Settings.UseSound = value;
     }
-    public bool CheckMediaPlayer
+
+    public bool ShowWMPWarning
     {
-        get
-        {
-            if (Settings.WMPInstalled)
-            {
-                return true;
-            }
-            else { return false; }
-        }
-        set { }
+        get => !Settings.WMPInstalled;
+    }
+
+    public bool EnableVolumeAdjustment
+    {
+        get => Settings.WMPInstalled;
     }
 
     public double SoundEffectVolume

Flow.Launcher/SettingPages/Views/SettingsPaneTheme.xaml

@@ -440,7 +440,7 @@
                 <cc:Card
                     Title="{DynamicResource SoundEffectVolume}"
                     Icon="&#xe994;"
-                    IsEnabled="{Binding CheckMediaPlayer}"
+                    IsEnabled="{Binding EnableVolumeAdjustment}"
                     Sub="{DynamicResource SoundEffectVolumeTip}"
                     Visibility="{Binding UseSound, Converter={StaticResource BoolToVisibilityConverter}}">
                     <StackPanel Orientation="Horizontal">
@@ -469,7 +469,7 @@
                 BorderBrush="{DynamicResource Color03B}"
                 BorderThickness="0,1,0,0"
                 CornerRadius="5 5 5 5"
-                Visibility="{Binding CheckMediaPlayer, Converter={StaticResource BoolToVisibilityConverter}, ConverterParameter='!'}">
+                Visibility="{Binding ShowWMPWarning, Converter={StaticResource BoolToVisibilityConverter}}">
                 <Grid VerticalAlignment="Center">
                     <Grid.ColumnDefinitions>
                         <ColumnDefinition Width="58" />