Devices - Added keyboard layout selection logic

UI - Improved plugin settings tab performance, added search text highlighting

src/Artemis.UI.Shared/Controls/DeviceVisualizer.cs

@@ -288,12 +288,12 @@ namespace Artemis.UI.Shared
 
         private void DeviceUpdated(object? sender, EventArgs e)
         {
-            SetupForDevice();
+            Execute.PostToUIThread(SetupForDevice);
         }
 
         private void DevicePropertyChanged(object? sender, PropertyChangedEventArgs e)
         {
-            SetupForDevice();
+            Execute.PostToUIThread(SetupForDevice);
         }
         
         private void Render()

src/Artemis.UI.Shared/Screens/Dialogs/ConfirmDialogView.xaml

@@ -17,7 +17,7 @@
                    Text="{Binding Text}" 
                    TextWrapping="Wrap" />
 
-        <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Margin="16">
+        <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Margin="0 8 0 0">
             <Button Style="{StaticResource MaterialDesignFlatButton}"
                     Focusable="False"
                     IsCancel="True"