Use correct ToggleModifier in ListBox multiselection on MacOS.

src/Avalonia.Controls/ListBox.cs

@@ -6,6 +6,7 @@ using Avalonia.Controls.Primitives;
 using Avalonia.Controls.Selection;
 using Avalonia.Controls.Templates;
 using Avalonia.Input;
+using Avalonia.Input.Platform;
 using Avalonia.VisualTree;
 
 namespace Avalonia.Controls
@@ -157,7 +158,7 @@ namespace Avalonia.Controls
                         e.Source,
                         true,
                         e.KeyModifiers.HasAllFlags(KeyModifiers.Shift),
-                        e.KeyModifiers.HasAllFlags(KeyModifiers.Control),
+                        e.KeyModifiers.HasAllFlags(AvaloniaLocator.Current.GetRequiredService<PlatformHotkeyConfiguration>().CommandModifiers),
                         point.Properties.IsRightButtonPressed);
                 }
             }