CmdPal: Removing Core projects (#45693)

Functionally, no differences.

- Removed Core projects.
- Core.Common => Microsoft.CmdPal.Common
- Core.ViewModels => Microsoft.CmdPal.UI.ViewModels

---------

Co-authored-by: Jiří Polášek <me@jiripolasek.com>

src/modules/cmdpal/Microsoft.CmdPal.UI.ViewModels/ShowDetailsCommand.cs

@@ -0,0 +1,33 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using CommunityToolkit.Mvvm.Messaging;
+using Microsoft.CmdPal.UI.ViewModels.Messages;
+using Microsoft.CommandPalette.Extensions.Toolkit;
+
+namespace Microsoft.CmdPal.UI.ViewModels.Commands;
+
+public sealed partial class ShowDetailsCommand : InvokableCommand
+{
+    public static string ShowDetailsCommandId { get; } = "com.microsoft.cmdpal.showDetails";
+
+    private static IconInfo IconInfo { get; } = new IconInfo("\uF000"); // KnowledgeArticle Icon
+
+    private DetailsViewModel Details { get; set; }
+
+    public ShowDetailsCommand(DetailsViewModel details)
+    {
+        Id = ShowDetailsCommandId;
+        Name = UI.ViewModels.Properties.Resources.ShowDetailsCommand;
+        Icon = IconInfo;
+        Details = details;
+    }
+
+    public override CommandResult Invoke()
+    {
+        // Send the ShowDetailsMessage when the action is invoked
+        WeakReferenceMessenger.Default.Send<ShowDetailsMessage>(new(Details));
+        return CommandResult.KeepOpen();
+    }
+}