Profiles - Added module activation requirements

Editor - Refactored tools and selected keyframes management
Timeline - Added keyframe duplicating, copying and pasting
Windows UI - Added logging of fatal exceptions

src/Artemis.UI.Shared/Extensions/ClipboardExtensions.cs

@@ -0,0 +1,29 @@
+using System.Text;
+using System.Threading.Tasks;
+using Artemis.Core;
+using Avalonia.Input.Platform;
+
+namespace Artemis.UI.Shared.Extensions;
+
+/// <summary>
+///     Provides extension methods for Avalonia's <see cref="IClipboard" /> type.
+/// </summary>
+public static class ClipboardExtensions
+{
+    /// <summary>
+    ///     Retrieves clipboard JSON data representing <typeparamref name="T" /> and deserializes it into an instance of
+    ///     <typeparamref name="T" />.
+    /// </summary>
+    /// <param name="clipboard">The clipboard to retrieve the data off.</param>
+    /// <param name="format">The data format to retrieve data for.</param>
+    /// <typeparam name="T">The type of data to retrieve</typeparam>
+    /// <returns>
+    ///     The resulting value or if the clipboard did not contain data for the provided <paramref name="format" />;
+    ///     <see langword="null" />.
+    /// </returns>
+    public static async Task<T?> GetJsonAsync<T>(this IClipboard clipboard, string format)
+    {
+        byte[]? bytes = (byte[]?) await clipboard.GetDataAsync(format);
+        return bytes == null ? default : CoreJson.DeserializeObject<T>(Encoding.Unicode.GetString(bytes), true);
+    }
+}