replace v6 with experimental v7 code

src/MpvNet.Windows/UI/CommandPalette.cs

@@ -0,0 +1,22 @@
+
+using MpvNet.Windows.WPF.Controls;
+
+namespace MpvNet.Windows.UI;
+
+public class CommandPalette
+{
+    public static CommandPaletteControl Instance { get; } = new CommandPaletteControl();
+
+    public static IEnumerable<CommandPaletteItem> GetItems()
+    {
+        return InputHelp.GetBindingsFromContent(App.InputConf.GetContent())
+            .Where(i => i.Command != "")
+            .Select(i => new CommandPaletteItem()
+            {
+                Text = i.Path,
+                SecondaryText = i.Input,
+                Action = () => Core.Command(i.Command),
+                Binding = i
+            });
+    }
+}