Disable backdrop control when use non-blur theme

Author: onesounds

Flow.Launcher/SettingPages/ViewModels/SettingsPaneThemeViewModel.cs

@@ -43,6 +43,7 @@ public Theme.ThemeData SelectedTheme
             //uThemeManager.Instance.SetBlurForWindow();
         }
     }
+    public bool IsBackdropEnabled => SelectedTheme?.HasBlur ?? false;
 
     public bool DropShadowEffect
     {

Flow.Launcher/SettingPages/Views/SettingsPaneTheme.xaml

@@ -467,13 +467,15 @@
                 Sub="{DynamicResource shadowEffectRestart}">
 
                 <ComboBox
-                    MinWidth="160"
-                    VerticalAlignment="Center"
-                    DisplayMemberPath="Display"
-                    FontSize="14"
-                    ItemsSource="{Binding BackdropTypesList}"
-                    SelectedValue="{Binding BackdropType, Mode=TwoWay}"
-                    SelectedValuePath="Value" />
+    MinWidth="160"
+    VerticalAlignment="Center"
+    DisplayMemberPath="Display"
+    FontSize="14"
+    ItemsSource="{Binding BackdropTypesList}"
+    SelectedValue="{Binding BackdropType, Mode=TwoWay}"
+    SelectedValuePath="Value"
+    IsEnabled="{Binding IsBackdropEnabled}" />
+                <!-- ✅ 추가 -->
             </cc:Card>